13913568 has 36 divisors (see below), whose sum is σ = 39567528. Its totient is φ = 4637760.

The previous prime is 13913527. The next prime is 13913569. The reversal of 13913568 is 86531931.

It is a happy number.

13913568 is a `hidden beast` number, since 1 + 3 + 91 + 3 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13913569) 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 5 ways as a sum of consecutive naturals, for example, 23868 + ... + 24443.

It is an arithmetic number, because the mean of its divisors is an integer number (1099098).

Almost surely, 2^13913568 is an apocalyptic number.

13913568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13913568 is an abundant number, since it is smaller than the sum of its proper divisors (25653960).

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

13913568 is a wasteful number, since it uses less digits than its factorization.

13913568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48327 (or 48316 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 13913568 is about 3730.0895431611. The cubic root of 13913568 is about 240.5172178895.

The spelling of 13913568 in words is "thirteen million, nine hundred thirteen thousand, five hundred sixty-eight".