13981173 has 8 divisors (see below), whose sum is σ = 18660000. Its totient is φ = 9311568.

The previous prime is 13981147. The next prime is 13981193. The reversal of 13981173 is 37118931.

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

It is not a de Polignac number, because 13981173 - 2⁸ = 13980917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13981193) 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, 2943 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (2332500).

Almost surely, 2^13981173 is an apocalyptic number.

It is an amenable number.

13981173 is a deficient number, since it is larger than the sum of its proper divisors (4678827).

13981173 is a wasteful number, since it uses less digits than its factorization.

13981173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611.

The product of its digits is 4536, while the sum is 33.

The square root of 13981173 is about 3739.1406766796. The cubic root of 13981173 is about 240.9061404560.

The spelling of 13981173 in words is "thirteen million, nine hundred eighty-one thousand, one hundred seventy-three".