13865016 has 64 divisors (see below), whose sum is σ = 39139200. Its totient is φ = 4054400.

The previous prime is 13864999. The next prime is 13865017. The reversal of 13865016 is 61056831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13865017) 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, 6751 + ... + 8561.

It is an arithmetic number, because the mean of its divisors is an integer number (611550).

Almost surely, 2^13865016 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 13865016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19569600).

13865016 is an abundant number, since it is smaller than the sum of its proper divisors (25274184).

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

13865016 is a wasteful number, since it uses less digits than its factorization.

13865016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 13865016 is about 3723.5757008553. The cubic root of 13865016 is about 240.2371267461.

The spelling of 13865016 in words is "thirteen million, eight hundred sixty-five thousand, sixteen".