13382272 has 16 divisors (see below), whose sum is σ = 26660250. Its totient is φ = 6691072.

The previous prime is 13382269. The next prime is 13382279. The reversal of 13382272 is 27228331.

It can be written as a sum of positive squares in only one way, i.e., 11999296 + 1382976 = 3464^2 + 1176^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 13382272.

It is not an unprimeable number, because it can be changed into a prime (13382279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52147 + ... + 52402.

Almost surely, 2^13382272 is an apocalyptic number.

It is an amenable number.

13382272 is a deficient number, since it is larger than the sum of its proper divisors (13277978).

13382272 is an equidigital number, since it uses as much as digits as its factorization.

13382272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104563 (or 104551 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 13382272 is about 3658.1787818531. The cubic root of 13382272 is about 237.4159821004.

The spelling of 13382272 in words is "thirteen million, three hundred eighty-two thousand, two hundred seventy-two".