13089898 has 32 divisors (see below), whose sum is σ = 22861440. Its totient is φ = 5575680.

The previous prime is 13089893. The next prime is 13089911. The reversal of 13089898 is 89898031.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (13089893) 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, 14418 + ... + 15298.

It is an arithmetic number, because the mean of its divisors is an integer number (714420).

Almost surely, 2^13089898 is an apocalyptic number.

13089898 is a deficient number, since it is larger than the sum of its proper divisors (9771542).

13089898 is a wasteful number, since it uses less digits than its factorization.

13089898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 13089898 is about 3617.9964068528. The cubic root of 13089898 is about 235.6742249291.

The spelling of 13089898 in words is "thirteen million, eighty-nine thousand, eight hundred ninety-eight".