13038864 has 120 divisors (see below), whose sum is σ = 38881440. Its totient is φ = 3741696.

The previous prime is 13038863. The next prime is 13038877. The reversal of 13038864 is 46883031.

It is not an unprimeable number, because it can be changed into a prime (13038863) 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 23 ways as a sum of consecutive naturals, for example, 449602 + ... + 449630.

It is an arithmetic number, because the mean of its divisors is an integer number (324012).

Almost surely, 2^13038864 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 13038864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19440720).

13038864 is an abundant number, since it is smaller than the sum of its proper divisors (25842576).

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

13038864 is a wasteful number, since it uses less digits than its factorization.

13038864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 13038864 is about 3610.9367205754. The cubic root of 13038864 is about 235.3675491788.

The spelling of 13038864 in words is "thirteen million, thirty-eight thousand, eight hundred sixty-four".