12905412 has 24 divisors (see below), whose sum is σ = 32429376. Its totient is φ = 3970848.

The previous prime is 12905411. The next prime is 12905413. The reversal of 12905412 is 21450921.

12905412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12905411) and next prime (12905413).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12905411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41208 + ... + 41519.

It is an arithmetic number, because the mean of its divisors is an integer number (1351224).

Almost surely, 2^12905412 is an apocalyptic number.

12905412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12905412 is an abundant number, since it is smaller than the sum of its proper divisors (19523964).

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

12905412 is a wasteful number, since it uses less digits than its factorization.

12905412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82747 (or 82745 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 12905412 is about 3592.4103329102. The cubic root of 12905412 is about 234.5618030025.

The spelling of 12905412 in words is "twelve million, nine hundred five thousand, four hundred twelve".