12699696 has 20 divisors (see below), whose sum is σ = 32807672. Its totient is φ = 4233216.

The previous prime is 12699689. The next prime is 12699707. The reversal of 12699696 is 69699621.

It is a happy number.

It is a super-2 number, since 2×12699696² = 322564556984832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 264577 = 12699696 / (1 + 2 + 6 + 9 + 9 + 6 + 9 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132241 + ... + 132336.

Almost surely, 2^12699696 is an apocalyptic number.

12699696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12699696 is an abundant number, since it is smaller than the sum of its proper divisors (20107976).

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

12699696 is a wasteful number, since it uses less digits than its factorization.

12699696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264588 (or 264582 counting only the distinct ones).

The product of its digits is 314928, while the sum is 48.

The square root of 12699696 is about 3563.6632837573. The cubic root of 12699696 is about 233.3087937912.

The spelling of 12699696 in words is "twelve million, six hundred ninety-nine thousand, six hundred ninety-six".