12905208 has 48 divisors (see below), whose sum is σ = 36475920. Its totient is φ = 4114176.

The previous prime is 12905183. The next prime is 12905209. The reversal of 12905208 is 80250921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12905209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2241 + ... + 5552.

It is an arithmetic number, because the mean of its divisors is an integer number (759915).

Almost surely, 2^12905208 is an apocalyptic number.

12905208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12905208 is an abundant number, since it is smaller than the sum of its proper divisors (23570712).

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

12905208 is a wasteful number, since it uses less digits than its factorization.

12905208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7828 (or 7821 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 12905208 is about 3592.3819396050. The cubic root of 12905208 is about 234.5605670646.

The spelling of 12905208 in words is "twelve million, nine hundred five thousand, two hundred eight".