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12963264 = 263107631
BaseRepresentation
bin110001011100…
…110111000000
3220101121020220
4301130313000
511304311024
61141503040
7215120526
oct61346700
926347226
1012963264
117354546
124411a80
1328bb592
141a16316
151210e79
hexc5cdc0

12963264 has 56 divisors (see below), whose sum is σ = 34674048. Its totient is φ = 4273920.

The previous prime is 12963233. The next prime is 12963277. The reversal of 12963264 is 46236921.

It is a super-6 number, since 6×129632646 (a number of 44 digits) contains 666666 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20229 + ... + 20859.

Almost surely, 212963264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12963264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17337024).

12963264 is an abundant number, since it is smaller than the sum of its proper divisors (21710784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12963264 is a wasteful number, since it uses less digits than its factorization.

12963264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 743 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 12963264 is about 3600.4533047937. The cubic root of 12963264 is about 234.9117761482.

It can be divided in two parts, 1296 and 3264, that added together give a triangular number (4560 = T95).

The spelling of 12963264 in words is "twelve million, nine hundred sixty-three thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 107 192 214 321 428 631 642 856 1262 1284 1712 1893 2524 2568 3424 3786 5048 5136 6848 7572 10096 10272 15144 20192 20544 30288 40384 60576 67517 121152 135034 202551 270068 405102 540136 810204 1080272 1620408 2160544 3240816 4321088 6481632 12963264