13131116 has 6 divisors (see below), whose sum is σ = 22979460. Its totient is φ = 6565556.

The previous prime is 13131103. The next prime is 13131127. The reversal of 13131116 is 61113131.

13131116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13131094 and 13131103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1641386 + ... + 1641393.

It is an arithmetic number, because the mean of its divisors is an integer number (3829910).

Almost surely, 2^13131116 is an apocalyptic number.

It is an amenable number.

13131116 is a deficient number, since it is larger than the sum of its proper divisors (9848344).

13131116 is a wasteful number, since it uses less digits than its factorization.

13131116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282783 (or 3282781 counting only the distinct ones).

The product of its digits is 54, while the sum is 17.

The square root of 13131116 is about 3623.6881764302. The cubic root of 13131116 is about 235.9213325851.

Adding to 13131116 its reverse (61113131), we get a palindrome (74244247).

The spelling of 13131116 in words is "thirteen million, one hundred thirty-one thousand, one hundred sixteen".