13072272 has 40 divisors (see below), whose sum is σ = 34938240. Its totient is φ = 4206720.

The previous prime is 13072253. The next prime is 13072273. The reversal of 13072272 is 27227031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13072273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3304 + ... + 6087.

It is an arithmetic number, because the mean of its divisors is an integer number (873456).

Almost surely, 2^13072272 is an apocalyptic number.

13072272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13072272 is an abundant number, since it is smaller than the sum of its proper divisors (21865968).

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

13072272 is a wasteful number, since it uses less digits than its factorization.

13072272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9431 (or 9425 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 13072272 is about 3615.5597077078. The cubic root of 13072272 is about 235.5683962516.

The spelling of 13072272 in words is "thirteen million, seventy-two thousand, two hundred seventy-two".