12699892 has 6 divisors (see below), whose sum is σ = 22224818. Its totient is φ = 6349944.

The previous prime is 12699877. The next prime is 12699899. The reversal of 12699892 is 29899621.

It can be written as a sum of positive squares in only one way, i.e., 12645136 + 54756 = 3556^2 + 234^2 .

It is a super-2 number, since 2×12699892² = 322574513623328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12699899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1587483 + ... + 1587490.

Almost surely, 2^12699892 is an apocalyptic number.

It is an amenable number.

12699892 is a deficient number, since it is larger than the sum of its proper divisors (9524926).

12699892 is a wasteful number, since it uses less digits than its factorization.

12699892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174977 (or 3174975 counting only the distinct ones).

The product of its digits is 139968, while the sum is 46.

The square root of 12699892 is about 3563.6907834435. The cubic root of 12699892 is about 233.3099940374.

The spelling of 12699892 in words is "twelve million, six hundred ninety-nine thousand, eight hundred ninety-two".