12694536 has 32 divisors (see below), whose sum is σ = 35263200. Its totient is φ = 4231440.

The previous prime is 12694523. The next prime is 12694541. The reversal of 12694536 is 63549621.

It is a happy number.

It is a super-2 number, since 2×12694536² = 322302488510592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12694536.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29170 + ... + 29601.

It is an arithmetic number, because the mean of its divisors is an integer number (1101975).

Almost surely, 2^12694536 is an apocalyptic number.

It is an amenable number.

12694536 is an abundant number, since it is smaller than the sum of its proper divisors (22568664).

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

12694536 is a wasteful number, since it uses less digits than its factorization.

12694536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58786 (or 58776 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 12694536 is about 3562.9392360802. The cubic root of 12694536 is about 233.2771910278.

The spelling of 12694536 in words is "twelve million, six hundred ninety-four thousand, five hundred thirty-six".