12939336 has 48 divisors (see below), whose sum is σ = 36258300. Its totient is φ = 4163712.

The previous prime is 12939287. The next prime is 12939343. The reversal of 12939336 is 63393921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12916836 + 22500 = 3594^2 + 150^2 .

It is a super-2 number, since 2×12939336² = 334852832241792, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12939336.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1011 + ... + 5186.

Almost surely, 2^12939336 is an apocalyptic number.

It is an amenable number.

12939336 is an abundant number, since it is smaller than the sum of its proper divisors (23318964).

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

12939336 is a wasteful number, since it uses less digits than its factorization.

12939336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238 (or 6231 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

The square root of 12939336 is about 3597.1288550732. The cubic root of 12939336 is about 234.7671512815.

The spelling of 12939336 in words is "twelve million, nine hundred thirty-nine thousand, three hundred thirty-six".