13013976 has 64 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 4037120.

The previous prime is 13013969. The next prime is 13013977. The reversal of 13013976 is 67931031.

13013976 is digitally balanced in base 2 and base 4, because in such bases 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 (13013977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68041 + ... + 68231.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

Almost surely, 2^13013976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13013976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17418240).

13013976 is an abundant number, since it is smaller than the sum of its proper divisors (21822504).

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

13013976 is a wasteful number, since it uses less digits than its factorization.

13013976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 13013976 is about 3607.4888773217. The cubic root of 13013976 is about 235.2177007827.

The spelling of 13013976 in words is "thirteen million, thirteen thousand, nine hundred seventy-six".