13116772 has 6 divisors (see below), whose sum is σ = 22954358. Its totient is φ = 6558384.

The previous prime is 13116749. The next prime is 13116823. The reversal of 13116772 is 27761131.

It can be written as a sum of positive squares in only one way, i.e., 9634816 + 3481956 = 3104^2 + 1866^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13116772.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639593 + ... + 1639600.

Almost surely, 2^13116772 is an apocalyptic number.

It is an amenable number.

13116772 is a deficient number, since it is larger than the sum of its proper divisors (9837586).

13116772 is a wasteful number, since it uses less digits than its factorization.

13116772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279197 (or 3279195 counting only the distinct ones).

The product of its digits is 1764, while the sum is 28.

The square root of 13116772 is about 3621.7084366359. The cubic root of 13116772 is about 235.8353970472.

The spelling of 13116772 in words is "thirteen million, one hundred sixteen thousand, seven hundred seventy-two".