12909048 has 16 divisors (see below), whose sum is σ = 32272680. Its totient is φ = 4303008.

The previous prime is 12909047. The next prime is 12909077. The reversal of 12909048 is 84090921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12909047) 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, 268915 + ... + 268962.

Almost surely, 2^12909048 is an apocalyptic number.

It is an amenable number.

12909048 is an abundant number, since it is smaller than the sum of its proper divisors (19363632).

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

12909048 is a wasteful number, since it uses less digits than its factorization.

12909048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537886 (or 537882 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 12909048 is about 3592.9163641811. The cubic root of 12909048 is about 234.5838295918.

Adding to 12909048 its reverse (84090921), we get a palindrome (96999969).

The spelling of 12909048 in words is "twelve million, nine hundred nine thousand, forty-eight".