13617982 has 12 divisors (see below), whose sum is σ = 23762160. Its totient is φ = 5836236.

The previous prime is 13617977. The next prime is 13618009. The reversal of 13617982 is 28971631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69382 + ... + 69577.

It is an arithmetic number, because the mean of its divisors is an integer number (1980180).

Almost surely, 2^13617982 is an apocalyptic number.

13617982 is a deficient number, since it is larger than the sum of its proper divisors (10144178).

13617982 is a wasteful number, since it uses less digits than its factorization.

13617982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138975 (or 138968 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 13617982 is about 3690.2550047388. The cubic root of 13617982 is about 238.8017940864.

The spelling of 13617982 in words is "thirteen million, six hundred seventeen thousand, nine hundred eighty-two".