12704904 has 64 divisors (see below), whose sum is σ = 35640000. Its totient is φ = 4193280.

The previous prime is 12704903. The next prime is 12704917. The reversal of 12704904 is 40940721.

It is a happy number.

It is a super-2 number, since 2×12704904² = 322829171298432, which contains 22 as substring.

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 a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28072 + ... + 28520.

It is an arithmetic number, because the mean of its divisors is an integer number (556875).

Almost surely, 2^12704904 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 12704904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17820000).

12704904 is an abundant number, since it is smaller than the sum of its proper divisors (22935096).

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

12704904 is a wasteful number, since it uses less digits than its factorization.

12704904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12704904 is about 3564.3939176247. The cubic root of 12704904 is about 233.3406818547.

The spelling of 12704904 in words is "twelve million, seven hundred four thousand, nine hundred four".