12992146 has 16 divisors (see below), whose sum is σ = 20009880. Its totient is φ = 6324480.

The previous prime is 12992141. The next prime is 12992153. The reversal of 12992146 is 64129921.

12992146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11634921 + 1357225 = 3411^2 + 1165^2 .

It is not an unprimeable number, because it can be changed into a prime (12992141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12810 + ... + 13786.

Almost surely, 2^12992146 is an apocalyptic number.

12992146 is a deficient number, since it is larger than the sum of its proper divisors (7017734).

12992146 is a wasteful number, since it uses less digits than its factorization.

12992146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its digits is 7776, while the sum is 34.

The square root of 12992146 is about 3604.4619570749. The cubic root of 12992146 is about 235.0861069697.

The spelling of 12992146 in words is "twelve million, nine hundred ninety-two thousand, one hundred forty-six".