13504272 has 20 divisors (see below), whose sum is σ = 34886160. Its totient is φ = 4501408.

The previous prime is 13504259. The next prime is 13504277. The reversal of 13504272 is 27240531.

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

It is not an unprimeable number, because it can be changed into a prime (13504277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140622 + ... + 140717.

It is an arithmetic number, because the mean of its divisors is an integer number (1744308).

Almost surely, 2^13504272 is an apocalyptic number.

13504272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13504272 is an abundant number, since it is smaller than the sum of its proper divisors (21381888).

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

13504272 is a wasteful number, since it uses less digits than its factorization.

13504272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281350 (or 281344 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13504272 is about 3674.8159137568. The cubic root of 13504272 is about 238.1352713586.

The spelling of 13504272 in words is "thirteen million, five hundred four thousand, two hundred seventy-two".