12621308 has 12 divisors (see below), whose sum is σ = 25242672. Its totient is φ = 5409120.

The previous prime is 12621307. The next prime is 12621337. The reversal of 12621308 is 80312621.

12621308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12621308 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12621307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225353 + ... + 225408.

It is an arithmetic number, because the mean of its divisors is an integer number (2103556).

Almost surely, 2^12621308 is an apocalyptic number.

It is an amenable number.

12621308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12621308 is a wasteful number, since it uses less digits than its factorization.

12621308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450772 (or 450770 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12621308 is about 3552.6480264726. The cubic root of 12621308 is about 232.8277752511.

Adding to 12621308 its reverse (80312621), we get a palindrome (92933929).

The spelling of 12621308 in words is "twelve million, six hundred twenty-one thousand, three hundred eight".