12622149 has 24 divisors (see below), whose sum is σ = 19102720. Its totient is φ = 8328096.

The previous prime is 12622139. The next prime is 12622153. The reversal of 12622149 is 94122621.

It is not a de Polignac number, because 12622149 - 2⁴ = 12622133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12622139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30657 + ... + 31065.

Almost surely, 2^12622149 is an apocalyptic number.

It is an amenable number.

12622149 is a deficient number, since it is larger than the sum of its proper divisors (6480571).

12622149 is an equidigital number, since it uses as much as digits as its factorization.

12622149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 539 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 12622149 is about 3552.7663869160. The cubic root of 12622149 is about 232.8329465009.

The spelling of 12622149 in words is "twelve million, six hundred twenty-two thousand, one hundred forty-nine".