13831975 has 6 divisors (see below), whose sum is σ = 17151680. Its totient is φ = 11065560.

The previous prime is 13831963. The next prime is 13832009. The reversal of 13831975 is 57913831.

It is a happy number.

It is not a de Polignac number, because 13831975 - 2⁷ = 13831847 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276615 + ... + 276664.

Almost surely, 2^13831975 is an apocalyptic number.

13831975 is a deficient number, since it is larger than the sum of its proper divisors (3319705).

13831975 is an equidigital number, since it uses as much as digits as its factorization.

13831975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553289 (or 553284 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 13831975 is about 3719.1363244710. The cubic root of 13831975 is about 240.0461427483.

The spelling of 13831975 in words is "thirteen million, eight hundred thirty-one thousand, nine hundred seventy-five".