12905946 has 32 divisors (see below), whose sum is σ = 28848000. Its totient is φ = 4276800.

The previous prime is 12905923. The next prime is 12905969. The reversal of 12905946 is 64950921.

It is an interprime number because it is at equal distance from previous prime (12905923) and next prime (12905969).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12905946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10146 + ... + 11346.

It is an arithmetic number, because the mean of its divisors is an integer number (901500).

Almost surely, 2^12905946 is an apocalyptic number.

12905946 is an abundant number, since it is smaller than the sum of its proper divisors (15942054).

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

12905946 is a wasteful number, since it uses less digits than its factorization.

12905946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 12905946 is about 3592.4846554996. The cubic root of 12905946 is about 234.5650381898.

The spelling of 12905946 in words is "twelve million, nine hundred five thousand, nine hundred forty-six".