13831234 has 24 divisors (see below), whose sum is σ = 22993740. Its totient is φ = 6217728.

The previous prime is 13831163. The next prime is 13831247. The reversal of 13831234 is 43213831.

It can be written as a sum of positive squares in 2 ways, for example, as 13712209 + 119025 = 3703^2 + 345^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13831199 and 13831208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17602 + ... + 18370.

Almost surely, 2^13831234 is an apocalyptic number.

13831234 is a deficient number, since it is larger than the sum of its proper divisors (9162506).

13831234 is a wasteful number, since it uses less digits than its factorization.

13831234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 811 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 13831234 is about 3719.0367032338. The cubic root of 13831234 is about 240.0418561258.

The spelling of 13831234 in words is "thirteen million, eight hundred thirty-one thousand, two hundred thirty-four".