15113020 has 48 divisors (see below), whose sum is σ = 35124768. Its totient is φ = 5425920.

The previous prime is 15113011. The next prime is 15113029. The reversal of 15113020 is 2031151.

It is an interprime number because it is at equal distance from previous prime (15113011) and next prime (15113029).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15113029) 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, 8835 + ... + 10405.

It is an arithmetic number, because the mean of its divisors is an integer number (731766).

Almost surely, 2^15113020 is an apocalyptic number.

15113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15113020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17562384).

15113020 is an abundant number, since it is smaller than the sum of its proper divisors (20011748).

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

15113020 is a wasteful number, since it uses less digits than its factorization.

15113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 15113020 is about 3887.5467842844. The cubic root of 15113020 is about 247.2390611114.

Adding to 15113020 its reverse (2031151), we get a palindrome (17144171).

The spelling of 15113020 in words is "fifteen million, one hundred thirteen thousand, twenty".