13986575 has 12 divisors (see below), whose sum is σ = 17500368. Its totient is φ = 11088000.

The previous prime is 13986571. The next prime is 13986587. The reversal of 13986575 is 57568931.

It is not a de Polignac number, because 13986575 - 2² = 13986571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13986571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (1458364).

Almost surely, 2^13986575 is an apocalyptic number.

13986575 is a deficient number, since it is larger than the sum of its proper divisors (3513793).

13986575 is a wasteful number, since it uses less digits than its factorization.

13986575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074 (or 5069 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 13986575 is about 3739.8629654039. The cubic root of 13986575 is about 240.9371633037.

The spelling of 13986575 in words is "thirteen million, nine hundred eighty-six thousand, five hundred seventy-five".