13731955 has 8 divisors (see below), whose sum is σ = 16758000. Its totient is φ = 10799136.

The previous prime is 13731947. The next prime is 13731961. The reversal of 13731955 is 55913731.

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 13731955 - 2³ = 13731947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13731955.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22980 + ... + 23569.

It is an arithmetic number, because the mean of its divisors is an integer number (2094750).

Almost surely, 2^13731955 is an apocalyptic number.

13731955 is a deficient number, since it is larger than the sum of its proper divisors (3026045).

13731955 is an equidigital number, since it uses as much as digits as its factorization.

13731955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46613.

The product of its digits is 14175, while the sum is 34.

The square root of 13731955 is about 3705.6652574133. The cubic root of 13731955 is about 239.4661455540.

The spelling of 13731955 in words is "thirteen million, seven hundred thirty-one thousand, nine hundred fifty-five".