12553912 has 16 divisors (see below), whose sum is σ = 26901360. Its totient is φ = 5380224.

The previous prime is 12553909. The next prime is 12553921. The reversal of 12553912 is 21935521.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 112033 + ... + 112144.

It is an arithmetic number, because the mean of its divisors is an integer number (1681335).

Almost surely, 2^12553912 is an apocalyptic number.

It is an amenable number.

12553912 is an abundant number, since it is smaller than the sum of its proper divisors (14347448).

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

12553912 is a wasteful number, since it uses less digits than its factorization.

12553912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224190 (or 224186 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 12553912 is about 3543.1500109366. The cubic root of 12553912 is about 232.4126129369.

The spelling of 12553912 in words is "twelve million, five hundred fifty-three thousand, nine hundred twelve".