12811704 has 16 divisors (see below), whose sum is σ = 32029320. Its totient is φ = 4270560.

The previous prime is 12811703. The next prime is 12811717. The reversal of 12811704 is 40711821.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 533821 = 12811704 / (1 + 2 + 8 + 1 + 1 + 7 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12811703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266887 + ... + 266934.

Almost surely, 2^12811704 is an apocalyptic number.

It is an amenable number.

12811704 is an abundant number, since it is smaller than the sum of its proper divisors (19217616).

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

12811704 is a wasteful number, since it uses less digits than its factorization.

12811704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533830 (or 533826 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 12811704 is about 3579.3440739890. The cubic root of 12811704 is about 233.9926946364.

The spelling of 12811704 in words is "twelve million, eight hundred eleven thousand, seven hundred four".