12553839 has 16 divisors (see below), whose sum is σ = 19240800. Its totient is φ = 8080128.

The previous prime is 12553829. The next prime is 12553859. The reversal of 12553839 is 93835521.

It is not a de Polignac number, because 12553839 - 2¹³ = 12545647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7234 + ... + 8799.

It is an arithmetic number, because the mean of its divisors is an integer number (1202550).

Almost surely, 2^12553839 is an apocalyptic number.

12553839 is a deficient number, since it is larger than the sum of its proper divisors (6686961).

12553839 is a wasteful number, since it uses less digits than its factorization.

12553839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16071 (or 16065 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 12553839 is about 3543.1397093538. The cubic root of 12553839 is about 232.4121624491.

The spelling of 12553839 in words is "twelve million, five hundred fifty-three thousand, eight hundred thirty-nine".