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12134752 = 257271109
BaseRepresentation
bin101110010010…
…100101100000
3211211111202021
4232102211200
511101303002
61112031224
7205100200
oct56224540
924744667
1012134752
116939023
124092514
13268b436
14187c400
1510ea737
hexb92960

12134752 has 72 divisors (see below), whose sum is σ = 28440720. Its totient is φ = 5080320.

The previous prime is 12134743. The next prime is 12134807. The reversal of 12134752 is 25743121.

It is a happy number.

It is a super-2 number, since 2×121347522 = 294504412203008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111274 + ... + 111382.

It is an arithmetic number, because the mean of its divisors is an integer number (395010).

Almost surely, 212134752 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 12134752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14220360).

12134752 is an abundant number, since it is smaller than the sum of its proper divisors (16305968).

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

12134752 is a wasteful number, since it uses less digits than its factorization.

12134752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 189 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 12134752 is about 3483.4970934393. The cubic root of 12134752 is about 229.7966192024.

Adding to 12134752 its reverse (25743121), we get a palindrome (37877873).

The spelling of 12134752 in words is "twelve million, one hundred thirty-four thousand, seven hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 71 98 109 112 142 196 218 224 284 392 436 497 568 763 784 872 994 1136 1526 1568 1744 1988 2272 3052 3479 3488 3976 5341 6104 6958 7739 7952 10682 12208 13916 15478 15904 21364 24416 27832 30956 42728 54173 55664 61912 85456 108346 111328 123824 170912 216692 247648 379211 433384 758422 866768 1516844 1733536 3033688 6067376 12134752