12157704 has 96 divisors (see below), whose sum is σ = 36691200. Its totient is φ = 3611520.

The previous prime is 12157697. The next prime is 12157711. The reversal of 12157704 is 40775121.

It is an interprime number because it is at equal distance from previous prime (12157697) and next prime (12157711).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28807 + ... + 29225.

It is an arithmetic number, because the mean of its divisors is an integer number (382200).

Almost surely, 2^12157704 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 12157704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18345600).

12157704 is an abundant number, since it is smaller than the sum of its proper divisors (24533496).

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

12157704 is a wasteful number, since it uses less digits than its factorization.

12157704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 12157704 is about 3486.7899277129. The cubic root of 12157704 is about 229.9414091462.

The spelling of 12157704 in words is "twelve million, one hundred fifty-seven thousand, seven hundred four".