12622900 has 18 divisors (see below), whose sum is σ = 27391910. Its totient is φ = 5049120.

The previous prime is 12622871. The next prime is 12622903. The reversal of 12622900 is 922621.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 34596 + 12588304 = 186^2 + 3548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12622903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63015 + ... + 63214.

Almost surely, 2^12622900 is an apocalyptic number.

12622900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12622900 is an abundant number, since it is smaller than the sum of its proper divisors (14769010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12622900 is a wasteful number, since it uses less digits than its factorization.

12622900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126243 (or 126236 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12622900 is about 3552.8720776296. The cubic root of 12622900 is about 232.8375641529.

The spelling of 12622900 in words is "twelve million, six hundred twenty-two thousand, nine hundred".