12922955 has 4 divisors (see below), whose sum is σ = 15507552. Its totient is φ = 10338360.

The previous prime is 12922933. The next prime is 12922963. The reversal of 12922955 is 55922921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55922921 = 317 ⋅176413.

It is not a de Polignac number, because 12922955 - 2¹⁸ = 12660811 is a prime.

It is a Duffinian number.

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, 1292291 + ... + 1292300.

It is an arithmetic number, because the mean of its divisors is an integer number (3876888).

Almost surely, 2^12922955 is an apocalyptic number.

12922955 is a deficient number, since it is larger than the sum of its proper divisors (2584597).

12922955 is an equidigital number, since it uses as much as digits as its factorization.

12922955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584596.

The product of its digits is 16200, while the sum is 35.

The square root of 12922955 is about 3594.8511791172. The cubic root of 12922955 is about 234.6680389128.

The spelling of 12922955 in words is "twelve million, nine hundred twenty-two thousand, nine hundred fifty-five".