13983817 has 8 divisors (see below), whose sum is σ = 14470400. Its totient is φ = 13503024.

The previous prime is 13983803. The next prime is 13983841. The reversal of 13983817 is 71838931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13983817 - 2⁷ = 13983689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13983817.

It is not an unprimeable number, because it can be changed into a prime (13983217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3784 + ... + 6502.

It is an arithmetic number, because the mean of its divisors is an integer number (1808800).

Almost surely, 2^13983817 is an apocalyptic number.

It is an amenable number.

13983817 is a deficient number, since it is larger than the sum of its proper divisors (486583).

13983817 is a wasteful number, since it uses less digits than its factorization.

13983817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895.

The product of its digits is 36288, while the sum is 40.

The square root of 13983817 is about 3739.4942171369. The cubic root of 13983817 is about 240.9213255359.

The spelling of 13983817 in words is "thirteen million, nine hundred eighty-three thousand, eight hundred seventeen".