12699268 has 6 divisors (see below), whose sum is σ = 22223726. Its totient is φ = 6349632.

The previous prime is 12699229. The next prime is 12699283. The reversal of 12699268 is 86299621.

It can be written as a sum of positive squares in only one way, i.e., 8111104 + 4588164 = 2848^2 + 2142^2 .

It is a super-2 number, since 2×12699268² = 322542815471648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1587405 + ... + 1587412.

Almost surely, 2^12699268 is an apocalyptic number.

It is an amenable number.

12699268 is a deficient number, since it is larger than the sum of its proper divisors (9524458).

12699268 is a wasteful number, since it uses less digits than its factorization.

12699268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174821 (or 3174819 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 12699268 is about 3563.6032326846. The cubic root of 12699268 is about 233.3061728023.

The spelling of 12699268 in words is "twelve million, six hundred ninety-nine thousand, two hundred sixty-eight".