12621324 has 24 divisors (see below), whose sum is σ = 29546608. Its totient is φ = 4193280.

The previous prime is 12621307. The next prime is 12621337. The reversal of 12621324 is 42312621.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12621324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2484 + ... + 5604.

Almost surely, 2^12621324 is an apocalyptic number.

It is an amenable number.

12621324 is an abundant number, since it is smaller than the sum of its proper divisors (16925284).

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

12621324 is a wasteful number, since it uses less digits than its factorization.

12621324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465 (or 3463 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 12621324 is about 3552.6502783134. The cubic root of 12621324 is about 232.8278736361.

Adding to 12621324 its reverse (42312621), we get a palindrome (54933945).

The spelling of 12621324 in words is "twelve million, six hundred twenty-one thousand, three hundred twenty-four".