15113898 has 64 divisors (see below), whose sum is σ = 35988480. Its totient is φ = 4690224.

The previous prime is 15113897. The next prime is 15113929. The reversal of 15113898 is 89831151.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (8640) is a multiple of the sum of its prime factors (360).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15113897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53265 + ... + 53547.

It is an arithmetic number, because the mean of its divisors is an integer number (562320).

Almost surely, 2^15113898 is an apocalyptic number.

15113898 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 15113898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17994240).

15113898 is an abundant number, since it is smaller than the sum of its proper divisors (20874582).

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

15113898 is a wasteful number, since it uses less digits than its factorization.

15113898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 354 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 15113898 is about 3887.6597073304. The cubic root of 15113898 is about 247.2438488527.

The spelling of 15113898 in words is "fifteen million, one hundred thirteen thousand, eight hundred ninety-eight".