12694715 has 12 divisors (see below), whose sum is σ = 16745232. Its totient is φ = 9232080.

The previous prime is 12694711. The next prime is 12694727. The reversal of 12694715 is 51749621.

It is not a de Polignac number, because 12694715 - 2² = 12694711 is a prime.

It is a super-2 number, since 2×12694715² = 322311577862450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12694711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9887 + ... + 11096.

It is an arithmetic number, because the mean of its divisors is an integer number (1395436).

Almost surely, 2^12694715 is an apocalyptic number.

12694715 is a deficient number, since it is larger than the sum of its proper divisors (4050517).

12694715 is a wasteful number, since it uses less digits than its factorization.

12694715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21010 (or 20999 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 12694715 is about 3562.9643557016. The cubic root of 12694715 is about 233.2782874686.

The spelling of 12694715 in words is "twelve million, six hundred ninety-four thousand, seven hundred fifteen".