13098990 has 32 divisors (see below), whose sum is σ = 31841280. Its totient is φ = 3448224.

The previous prime is 13098973. The next prime is 13098997. The reversal of 13098990 is 9989031.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13098997) 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, 394 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (995040).

Almost surely, 2^13098990 is an apocalyptic number.

13098990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13098990 is an abundant number, since it is smaller than the sum of its proper divisors (18742290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13098990 is a wasteful number, since it uses less digits than its factorization.

13098990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 13098990 is about 3619.2526852929. The cubic root of 13098990 is about 235.7287772804.

The spelling of 13098990 in words is "thirteen million, ninety-eight thousand, nine hundred ninety".