12955587 has 16 divisors (see below), whose sum is σ = 18677760. Its totient is φ = 7960032.

The previous prime is 12955543. The next prime is 12955609. The reversal of 12955587 is 78555921.

12955587 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 12955587 - 2¹⁴ = 12939203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12955517) 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, 963 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (1167360).

Almost surely, 2^12955587 is an apocalyptic number.

12955587 is a deficient number, since it is larger than the sum of its proper divisors (5722173).

12955587 is a wasteful number, since it uses less digits than its factorization.

12955587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202.

The product of its digits is 126000, while the sum is 42.

The square root of 12955587 is about 3599.3870311485. The cubic root of 12955587 is about 234.8653944698.

The spelling of 12955587 in words is "twelve million, nine hundred fifty-five thousand, five hundred eighty-seven".