12622939 has 6 divisors (see below), whose sum is σ = 14683884. Its totient is φ = 10819620.

The previous prime is 12622937. The next prime is 12622943. The reversal of 12622939 is 93922621.

It is not a de Polignac number, because 12622939 - 2¹ = 12622937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12622933) 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 in 5 ways as a sum of consecutive naturals, for example, 128757 + ... + 128854.

It is an arithmetic number, because the mean of its divisors is an integer number (2447314).

Almost surely, 2^12622939 is an apocalyptic number.

12622939 is a deficient number, since it is larger than the sum of its proper divisors (2060945).

12622939 is an equidigital number, since it uses as much as digits as its factorization.

12622939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257625 (or 257618 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 12622939 is about 3552.8775661427. The cubic root of 12622939 is about 232.8378039461.

The spelling of 12622939 in words is "twelve million, six hundred twenty-two thousand, nine hundred thirty-nine".