13113660 has 48 divisors (see below), whose sum is σ = 41965056. Its totient is φ = 2997312.

The previous prime is 13113643. The next prime is 13113671. The reversal of 13113660 is 6631131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15192 + ... + 16031.

It is an arithmetic number, because the mean of its divisors is an integer number (874272).

Almost surely, 2^13113660 is an apocalyptic number.

13113660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113660 is an abundant number, since it is smaller than the sum of its proper divisors (28851396).

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

13113660 is a wasteful number, since it uses less digits than its factorization.

13113660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31242 (or 31240 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 13113660 is about 3621.2787796578. The cubic root of 13113660 is about 235.8167446479.

Adding to 13113660 its reverse (6631131), we get a palindrome (19744791).

The spelling of 13113660 in words is "thirteen million, one hundred thirteen thousand, six hundred sixty".