13293231 has 16 divisors (see below), whose sum is σ = 20601600. Its totient is φ = 7466688.

The previous prime is 13293209. The next prime is 13293239. The reversal of 13293231 is 13239231.

It is not a de Polignac number, because 13293231 - 2⁵ = 13293199 is a prime.

It is a super-2 number, since 2×13293231² = 353419980838722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13293239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4126 + ... + 6603.

It is an arithmetic number, because the mean of its divisors is an integer number (1287600).

Almost surely, 2^13293231 is an apocalyptic number.

13293231 is a deficient number, since it is larger than the sum of its proper divisors (7308369).

13293231 is a wasteful number, since it uses less digits than its factorization.

13293231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10798.

The product of its digits is 972, while the sum is 24.

The square root of 13293231 is about 3645.9883433714. The cubic root of 13293231 is about 236.8882486910. Note that the first 3 decimals are identical.

It can be divided in two parts, 1329 and 3231, that added together give a triangular number (4560 = T₉₅).

The spelling of 13293231 in words is "thirteen million, two hundred ninety-three thousand, two hundred thirty-one".