13115472 has 80 divisors (see below), whose sum is σ = 36336960. Its totient is φ = 4064256.

The previous prime is 13115471. The next prime is 13115477. The reversal of 13115472 is 27451131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13115471) 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, 66478 + ... + 66674.

It is an arithmetic number, because the mean of its divisors is an integer number (454212).

Almost surely, 2^13115472 is an apocalyptic number.

13115472 is a gapful number since it is divisible by the number (12) 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 13115472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18168480).

13115472 is an abundant number, since it is smaller than the sum of its proper divisors (23221488).

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

13115472 is a wasteful number, since it uses less digits than its factorization.

13115472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 294 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 13115472 is about 3621.5289588791. The cubic root of 13115472 is about 235.8276055940.

The spelling of 13115472 in words is "thirteen million, one hundred fifteen thousand, four hundred seventy-two".