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12848388 = 2237221851
BaseRepresentation
bin110001000000…
…110100000100
3220011202200020
4301000310010
511242122023
61135215140
7214131600
oct61006404
926152606
1012848388
117286203
1243774b0
13287b1c7
1419c6500
1511dbde3
hexc40d04

12848388 has 36 divisors (see below), whose sum is σ = 34875792. Its totient is φ = 3670800.

The previous prime is 12848387. The next prime is 12848393. The reversal of 12848388 is 88384821.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (12848383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10338 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (968772).

Almost surely, 212848388 is an apocalyptic number.

It is an amenable number.

12848388 is an abundant number, since it is smaller than the sum of its proper divisors (22027404).

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

12848388 is a wasteful number, since it uses less digits than its factorization.

12848388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21872 (or 21863 counting only the distinct ones).

The product of its digits is 98304, while the sum is 42.

The square root of 12848388 is about 3584.4648136089. The cubic root of 12848388 is about 234.2158137549.

It can be divided in two parts, 128 and 48388, that added together give a triangular number (48516 = T311).

The spelling of 12848388 in words is "twelve million, eight hundred forty-eight thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 21851 43702 65553 87404 131106 152957 262212 305914 458871 611828 917742 1070699 1835484 2141398 3212097 4282796 6424194 12848388