12992546 has 24 divisors (see below), whose sum is σ = 22807980. Its totient is φ = 5534592.

The previous prime is 12992543. The next prime is 12992549. The reversal of 12992546 is 64529921.

It is an interprime number because it is at equal distance from previous prime (12992543) and next prime (12992549).

It can be written as a sum of positive squares in 2 ways, for example, as 11526025 + 1466521 = 3395^2 + 1211^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22550 + ... + 23118.

Almost surely, 2^12992546 is an apocalyptic number.

12992546 is a deficient number, since it is larger than the sum of its proper divisors (9815434).

12992546 is a wasteful number, since it uses less digits than its factorization.

12992546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 811 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 12992546 is about 3604.5174434312. The cubic root of 12992546 is about 235.0885195421.

The spelling of 12992546 in words is "twelve million, nine hundred ninety-two thousand, five hundred forty-six".