13097898 has 48 divisors (see below), whose sum is σ = 31370976. Its totient is φ = 3916320.

The previous prime is 13097893. The next prime is 13097899. The reversal of 13097898 is 89879031.

It is not an unprimeable number, because it can be changed into a prime (13097893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16036 + ... + 16832.

It is an arithmetic number, because the mean of its divisors is an integer number (653562).

Almost surely, 2^13097898 is an apocalyptic number.

13097898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13097898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15685488).

13097898 is an abundant number, since it is smaller than the sum of its proper divisors (18273078).

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

13097898 is a wasteful number, since it uses less digits than its factorization.

13097898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 13097898 is about 3619.1018222758. The cubic root of 13097898 is about 235.7222265723.

The spelling of 13097898 in words is "thirteen million, ninety-seven thousand, eight hundred ninety-eight".