13616672 has 12 divisors (see below), whose sum is σ = 26807886. Its totient is φ = 6808320.

The previous prime is 13616671. The next prime is 13616723. The reversal of 13616672 is 27661631.

It can be written as a sum of positive squares in only one way, i.e., 9759376 + 3857296 = 3124^2 + 1964^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 425521 = 13616672 / (1 + 3 + 6 + 1 + 6 + 6 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (13616671) by changing a digit.

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 as a sum of consecutive naturals, namely, 212729 + ... + 212792.

Almost surely, 2^13616672 is an apocalyptic number.

It is an amenable number.

13616672 is a deficient number, since it is larger than the sum of its proper divisors (13191214).

13616672 is an equidigital number, since it uses as much as digits as its factorization.

13616672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425531 (or 425523 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 13616672 is about 3690.0775059611. The cubic root of 13616672 is about 238.7941365548.

The spelling of 13616672 in words is "thirteen million, six hundred sixteen thousand, six hundred seventy-two".