12909548 has 12 divisors (see below), whose sum is σ = 22878240. Its totient is φ = 6372912.

The previous prime is 12909527. The next prime is 12909551. The reversal of 12909548 is 84590921.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20111 + ... + 20742.

It is an arithmetic number, because the mean of its divisors is an integer number (1906520).

Almost surely, 2^12909548 is an apocalyptic number.

It is an amenable number.

12909548 is a deficient number, since it is larger than the sum of its proper divisors (9968692).

12909548 is a wasteful number, since it uses less digits than its factorization.

12909548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40936 (or 40934 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 12909548 is about 3592.9859448654. The cubic root of 12909548 is about 234.5868582273.

The spelling of 12909548 in words is "twelve million, nine hundred nine thousand, five hundred forty-eight".