12553906 has 8 divisors (see below), whose sum is σ = 19649664. Its totient is φ = 6004020.

The previous prime is 12553901. The next prime is 12553909. The reversal of 12553906 is 60935521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12553901) 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, 136410 + ... + 136501.

It is an arithmetic number, because the mean of its divisors is an integer number (2456208).

Almost surely, 2^12553906 is an apocalyptic number.

12553906 is a deficient number, since it is larger than the sum of its proper divisors (7095758).

12553906 is a wasteful number, since it uses less digits than its factorization.

12553906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272936.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 12553906 is about 3543.1491642323. The cubic root of 12553906 is about 232.4125759106.

The spelling of 12553906 in words is "twelve million, five hundred fifty-three thousand, nine hundred six".