13071964 has 24 divisors (see below), whose sum is σ = 23496480. Its totient is φ = 6361344.

The previous prime is 13071941. The next prime is 13071967. The reversal of 13071964 is 46917031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13071967) 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, 25737 + ... + 26239.

It is an arithmetic number, because the mean of its divisors is an integer number (979020).

Almost surely, 2^13071964 is an apocalyptic number.

It is an amenable number.

13071964 is a deficient number, since it is larger than the sum of its proper divisors (10424516).

13071964 is a wasteful number, since it uses less digits than its factorization.

13071964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 13071964 is about 3615.5171137750. The cubic root of 13071964 is about 235.5665461362.

Adding to 13071964 its reverse (46917031), we get a palindrome (59988995).

The spelling of 13071964 in words is "thirteen million, seventy-one thousand, nine hundred sixty-four".