13017956 has 12 divisors (see below), whose sum is σ = 26035968. Its totient is φ = 5579112.

The previous prime is 13017947. The next prime is 13017959. The reversal of 13017956 is 65971031.

13017956 is an admirable number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13017959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232436 + ... + 232491.

It is an arithmetic number, because the mean of its divisors is an integer number (2169664).

Almost surely, 2^13017956 is an apocalyptic number.

It is an amenable number.

13017956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13017956 is a wasteful number, since it uses less digits than its factorization.

13017956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464938 (or 464936 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 13017956 is about 3608.0404654050. The cubic root of 13017956 is about 235.2416768279.

Adding to 13017956 its reverse (65971031), we get a palindrome (78988987).

The spelling of 13017956 in words is "thirteen million, seventeen thousand, nine hundred fifty-six".