13071664 has 20 divisors (see below), whose sum is σ = 25397680. Its totient is φ = 6517440.

The previous prime is 13071649. The next prime is 13071671. The reversal of 13071664 is 46617031.

13071664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6094 + ... + 7954.

It is an arithmetic number, because the mean of its divisors is an integer number (1269884).

Almost surely, 2^13071664 is an apocalyptic number.

It is an amenable number.

13071664 is a deficient number, since it is larger than the sum of its proper divisors (12326016).

13071664 is a wasteful number, since it uses less digits than its factorization.

13071664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13071664 is about 3615.4756256957. The cubic root of 13071664 is about 235.5647440478.

Adding to 13071664 its reverse (46617031), we get a palindrome (59688695).

The spelling of 13071664 in words is "thirteen million, seventy-one thousand, six hundred sixty-four".