12992055 has 16 divisors (see below), whose sum is σ = 20930400. Its totient is φ = 6881408.

The previous prime is 12992051. The next prime is 12992059. The reversal of 12992055 is 55029921.

It is an interprime number because it is at equal distance from previous prime (12992051) and next prime (12992059).

It is a cyclic number.

It is not a de Polignac number, because 12992055 - 2² = 12992051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672 + ... + 5141.

It is an arithmetic number, because the mean of its divisors is an integer number (1308150).

Almost surely, 2^12992055 is an apocalyptic number.

12992055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12992055 is a deficient number, since it is larger than the sum of its proper divisors (7938345).

12992055 is a wasteful number, since it uses less digits than its factorization.

12992055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 12992055 is about 3604.4493338095. The cubic root of 12992055 is about 235.0855581026.

The spelling of 12992055 in words is "twelve million, nine hundred ninety-two thousand, fifty-five".