13444272 has 40 divisors (see below), whose sum is σ = 38591280. Its totient is φ = 4481280.

The previous prime is 13444253. The next prime is 13444279. The reversal of 13444272 is 27244431.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13444279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15129 + ... + 15992.

It is an arithmetic number, because the mean of its divisors is an integer number (964782).

Almost surely, 2^13444272 is an apocalyptic number.

13444272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13444272 is an abundant number, since it is smaller than the sum of its proper divisors (25147008).

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

13444272 is a wasteful number, since it uses less digits than its factorization.

13444272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31138 (or 31126 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 13444272 is about 3666.6431514397. The cubic root of 13444272 is about 237.7820663493.

The spelling of 13444272 in words is "thirteen million, four hundred forty-four thousand, two hundred seventy-two".