12704788 has 6 divisors (see below), whose sum is σ = 22233386. Its totient is φ = 6352392.

The previous prime is 12704779. The next prime is 12704803. The reversal of 12704788 is 88740721.

It can be written as a sum of positive squares in only one way, i.e., 12404484 + 300304 = 3522^2 + 548^2 .

It is a super-2 number, since 2×12704788² = 322823276249888, 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 as a sum of consecutive naturals, namely, 1588095 + ... + 1588102.

Almost surely, 2^12704788 is an apocalyptic number.

It is an amenable number.

12704788 is a deficient number, since it is larger than the sum of its proper divisors (9528598).

12704788 is a wasteful number, since it uses less digits than its factorization.

12704788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176201 (or 3176199 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 12704788 is about 3564.3776455365. The cubic root of 12704788 is about 233.3399716932.

The spelling of 12704788 in words is "twelve million, seven hundred four thousand, seven hundred eighty-eight".