13056616 has 32 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 6350400.

The previous prime is 13056607. The next prime is 13056619. The reversal of 13056616 is 61665031.

13056616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72046 + ... + 72226.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 2^13056616 is an apocalyptic number.

It is an amenable number.

13056616 is a deficient number, since it is larger than the sum of its proper divisors (12103064).

13056616 is a wasteful number, since it uses less digits than its factorization.

13056616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 13056616 is about 3613.3939724309. The cubic root of 13056616 is about 235.4743158927.

It can be divided in two parts, 1305 and 6616, that added together give a square (7921 = 89²).

The spelling of 13056616 in words is "thirteen million, fifty-six thousand, six hundred sixteen".