12553385 has 16 divisors (see below), whose sum is σ = 16343040. Its totient is φ = 9201600.

The previous prime is 12553381. The next prime is 12553403. The reversal of 12553385 is 58335521.

12553385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12553385 - 2² = 12553381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12553381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9176 + ... + 10454.

It is an arithmetic number, because the mean of its divisors is an integer number (1021440).

Almost surely, 2^12553385 is an apocalyptic number.

It is an amenable number.

12553385 is a deficient number, since it is larger than the sum of its proper divisors (3789655).

12553385 is a wasteful number, since it uses less digits than its factorization.

12553385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448.

The product of its digits is 18000, while the sum is 32.

The square root of 12553385 is about 3543.0756413038. The cubic root of 12553385 is about 232.4093607458.

The spelling of 12553385 in words is "twelve million, five hundred fifty-three thousand, three hundred eighty-five".