13089877 has 4 divisors (see below), whose sum is σ = 13148800. Its totient is φ = 13030956.

The previous prime is 13089863. The next prime is 13089889. The reversal of 13089877 is 77898031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13089877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13089577) 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, 29127 + ... + 29572.

It is an arithmetic number, because the mean of its divisors is an integer number (3287200).

Almost surely, 2^13089877 is an apocalyptic number.

It is an amenable number.

13089877 is a deficient number, since it is larger than the sum of its proper divisors (58923).

13089877 is an equidigital number, since it uses as much as digits as its factorization.

13089877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58922.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 13089877 is about 3617.9935046929. The cubic root of 13089877 is about 235.6740988991.

The spelling of 13089877 in words is "thirteen million, eighty-nine thousand, eight hundred seventy-seven".