12870715 has 32 divisors (see below), whose sum is σ = 18579456. Its totient is φ = 8434560.

The previous prime is 12870701. The next prime is 12870721. The reversal of 12870715 is 51707821.

It is a happy number.

It is not a de Polignac number, because 12870715 - 2⁹ = 12870203 is a prime.

It is a super-2 number, since 2×12870715² = 331310609222450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33414 + ... + 33796.

It is an arithmetic number, because the mean of its divisors is an integer number (580608).

Almost surely, 2^12870715 is an apocalyptic number.

12870715 is a deficient number, since it is larger than the sum of its proper divisors (5708741).

12870715 is a wasteful number, since it uses less digits than its factorization.

12870715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 12870715 is about 3587.5778737193. The cubic root of 12870715 is about 234.3514030169.

The spelling of 12870715 in words is "twelve million, eight hundred seventy thousand, seven hundred fifteen".