13332231 has 12 divisors (see below), whose sum is σ = 21008520. Its totient is φ = 8080080.

The previous prime is 13332223. The next prime is 13332251. The reversal of 13332231 is 13223331.

It is not a de Polignac number, because 13332231 - 2³ = 13332223 is a prime.

It is a super-2 number, since 2×13332231² = 355496766874722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13332211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67236 + ... + 67433.

It is an arithmetic number, because the mean of its divisors is an integer number (1750710).

Almost surely, 2^13332231 is an apocalyptic number.

13332231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13332231 is a deficient number, since it is larger than the sum of its proper divisors (7676289).

13332231 is a wasteful number, since it uses less digits than its factorization.

13332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134686 (or 134683 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 13332231 is about 3651.3327703730. The cubic root of 13332231 is about 237.1196853158.

Adding to 13332231 its reverse (13223331), we get a palindrome (26555562).

Subtracting from 13332231 its reverse (13223331), we obtain a square (108900 = 330²).

The spelling of 13332231 in words is "thirteen million, three hundred thirty-two thousand, two hundred thirty-one".