13587968 has 20 divisors (see below), whose sum is σ = 27150420. Its totient is φ = 6793728.

The previous prime is 13587967. The next prime is 13587971. The reversal of 13587968 is 86978531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13587961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12758 + ... + 13781.

It is an arithmetic number, because the mean of its divisors is an integer number (1357521).

Almost surely, 2^13587968 is an apocalyptic number.

It is an amenable number.

13587968 is a deficient number, since it is larger than the sum of its proper divisors (13562452).

13587968 is an frugal number, since it uses more digits than its factorization.

13587968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26557 (or 26541 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 13587968 is about 3686.1861049057. The cubic root of 13587968 is about 238.6262255098.

The spelling of 13587968 in words is "thirteen million, five hundred eighty-seven thousand, nine hundred sixty-eight".