13727272 has 32 divisors (see below), whose sum is σ = 29181600. Its totient is φ = 6001344.

The previous prime is 13727269. The next prime is 13727281. The reversal of 13727272 is 27272731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498 + ... + 5449.

It is an arithmetic number, because the mean of its divisors is an integer number (911925).

Almost surely, 2^13727272 is an apocalyptic number.

It is an amenable number.

13727272 is an abundant number, since it is smaller than the sum of its proper divisors (15454328).

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

13727272 is a wasteful number, since it uses less digits than its factorization.

13727272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985 (or 6981 counting only the distinct ones).

The product of its digits is 8232, while the sum is 31.

The square root of 13727272 is about 3705.0333331834. The cubic root of 13727272 is about 239.4389207959.

It can be divided in two parts, 1 and 3727272, that added together give a palindrome (3727273).

The spelling of 13727272 in words is "thirteen million, seven hundred twenty-seven thousand, two hundred seventy-two".