12553911 has 12 divisors (see below), whose sum is σ = 18166200. Its totient is φ = 8354160.

The previous prime is 12553909. The next prime is 12553921. The reversal of 12553911 is 11935521.

12553911 is a `hidden beast` number, since 125 + 539 + 1 + 1 = 666.

It is not a de Polignac number, because 12553911 - 2¹ = 12553909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553901) 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 11 ways as a sum of consecutive naturals, for example, 6540 + ... + 8238.

It is an arithmetic number, because the mean of its divisors is an integer number (1513850).

Almost surely, 2^12553911 is an apocalyptic number.

12553911 is a deficient number, since it is larger than the sum of its proper divisors (5612289).

12553911 is a wasteful number, since it uses less digits than its factorization.

12553911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2523 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 12553911 is about 3543.1498698192. The cubic root of 12553911 is about 232.4126067658.

The spelling of 12553911 in words is "twelve million, five hundred fifty-three thousand, nine hundred eleven".