13427272 has 8 divisors (see below), whose sum is σ = 25176150. Its totient is φ = 6713632.

The previous prime is 13427257. The next prime is 13427273. The reversal of 13427272 is 27272431.

It can be written as a sum of positive squares in only one way, i.e., 13293316 + 133956 = 3646^2 + 366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 13427272.

It is not an unprimeable number, because it can be changed into a prime (13427273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839197 + ... + 839212.

Almost surely, 2^13427272 is an apocalyptic number.

It is an amenable number.

13427272 is a deficient number, since it is larger than the sum of its proper divisors (11748878).

13427272 is a wasteful number, since it uses less digits than its factorization.

13427272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678415 (or 1678411 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 13427272 is about 3664.3242214629. The cubic root of 13427272 is about 237.6818005973.

The spelling of 13427272 in words is "thirteen million, four hundred twenty-seven thousand, two hundred seventy-two".