13831761 has 8 divisors (see below), whose sum is σ = 19527264. Its totient is φ = 8678720.

The previous prime is 13831739. The next prime is 13831777. The reversal of 13831761 is 16713831.

13831761 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13831761 - 2⁵ = 13831729 is a prime.

It is a super-2 number, since 2×13831761² = 382635224722242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13831721) by changing a digit.

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, 135555 + ... + 135656.

It is an arithmetic number, because the mean of its divisors is an integer number (2440908).

Almost surely, 2^13831761 is an apocalyptic number.

It is an amenable number.

13831761 is a deficient number, since it is larger than the sum of its proper divisors (5695503).

13831761 is a wasteful number, since it uses less digits than its factorization.

13831761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271231.

The product of its digits is 3024, while the sum is 30.

The square root of 13831761 is about 3719.1075542393. The cubic root of 13831761 is about 240.0449047921.

The spelling of 13831761 in words is "thirteen million, eight hundred thirty-one thousand, seven hundred sixty-one".