13831684 has 6 divisors (see below), whose sum is σ = 24205454. Its totient is φ = 6915840.

The previous prime is 13831679. The next prime is 13831687. The reversal of 13831684 is 48613831.

It can be written as a sum of positive squares in only one way, i.e., 13483584 + 348100 = 3672^2 + 590^2 .

It is not an unprimeable number, because it can be changed into a prime (13831687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728957 + ... + 1728964.

Almost surely, 2^13831684 is an apocalyptic number.

It is an amenable number.

13831684 is a deficient number, since it is larger than the sum of its proper divisors (10373770).

13831684 is a wasteful number, since it uses less digits than its factorization.

13831684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457925 (or 3457923 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 13831684 is about 3719.0972022791. The cubic root of 13831684 is about 240.0444593561.

The spelling of 13831684 in words is "thirteen million, eight hundred thirty-one thousand, six hundred eighty-four".