13118272 has 14 divisors (see below), whose sum is σ = 26031698. Its totient is φ = 6559104.

The previous prime is 13118269. The next prime is 13118299. The reversal of 13118272 is 27281131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9339136 + 3779136 = 3056^2 + 1944^2 .

It is a super-3 number, since 3×13118272³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102423 + ... + 102550.

It is an arithmetic number, because the mean of its divisors is an integer number (1859407).

Almost surely, 2^13118272 is an apocalyptic number.

It is an amenable number.

13118272 is a deficient number, since it is larger than the sum of its proper divisors (12913426).

13118272 is an equidigital number, since it uses as much as digits as its factorization.

13118272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204985 (or 204975 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 13118272 is about 3621.9155153040. The cubic root of 13118272 is about 235.8443865458.

The spelling of 13118272 in words is "thirteen million, one hundred eighteen thousand, two hundred seventy-two".