13012272 has 160 divisors (see below), whose sum is σ = 46108160. Its totient is φ = 3421440.

The previous prime is 13012261. The next prime is 13012291. The reversal of 13012272 is 27221031.

It is a super-3 number, since 3×13012272³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39147 + ... + 39477.

It is an arithmetic number, because the mean of its divisors is an integer number (288176).

Almost surely, 2^13012272 is an apocalyptic number.

13012272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13012272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23054080).

13012272 is an abundant number, since it is smaller than the sum of its proper divisors (33095888).

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

13012272 is a wasteful number, since it uses less digits than its factorization.

13012272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 13012272 is about 3607.2526942259. The cubic root of 13012272 is about 235.2074341674.

The spelling of 13012272 in words is "thirteen million, twelve thousand, two hundred seventy-two".