12870365 has 16 divisors (see below), whose sum is σ = 15869568. Its totient is φ = 10017216.

The previous prime is 12870359. The next prime is 12870371. The reversal of 12870365 is 56307821.

It is a happy number.

12870365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12870359) and next prime (12870371).

It is a cyclic number.

It is not a de Polignac number, because 12870365 - 2⁴ = 12870349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34319 + ... + 34691.

It is an arithmetic number, because the mean of its divisors is an integer number (991848).

Almost surely, 2^12870365 is an apocalyptic number.

It is an amenable number.

12870365 is a deficient number, since it is larger than the sum of its proper divisors (2999203).

12870365 is a wasteful number, since it uses less digits than its factorization.

12870365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12870365 is about 3587.5290939587. The cubic root of 12870365 is about 234.3492787181.

The spelling of 12870365 in words is "twelve million, eight hundred seventy thousand, three hundred sixty-five".