12704465 has 16 divisors (see below), whose sum is σ = 16163280. Its totient is φ = 9569280.

The previous prime is 12704453. The next prime is 12704467. The reversal of 12704465 is 56440721.

12704465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4363921 + 8340544 = 2089^2 + 2888^2 .

It is not a de Polignac number, because 12704465 - 2⁶ = 12704401 is a prime.

It is a super-2 number, since 2×12704465² = 322806861872450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (12704467) 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, 4877 + ... + 7013.

It is an arithmetic number, because the mean of its divisors is an integer number (1010205).

Almost surely, 2^12704465 is an apocalyptic number.

It is an amenable number.

12704465 is a deficient number, since it is larger than the sum of its proper divisors (3458815).

12704465 is a wasteful number, since it uses less digits than its factorization.

12704465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 12704465 is about 3564.3323357959. The cubic root of 12704465 is about 233.3379942380.

The spelling of 12704465 in words is "twelve million, seven hundred four thousand, four hundred sixty-five".