13202231 has 8 divisors (see below), whose sum is σ = 15235584. Its totient is φ = 11205720.

The previous prime is 13202227. The next prime is 13202239. The reversal of 13202231 is 13220231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13202231 - 2² = 13202227 is a prime.

It is a super-2 number, since 2×13202231² = 348597806754722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13202239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8435 + ... + 9876.

It is an arithmetic number, because the mean of its divisors is an integer number (1904448).

Almost surely, 2^13202231 is an apocalyptic number.

13202231 is a deficient number, since it is larger than the sum of its proper divisors (2033353).

13202231 is a wasteful number, since it uses less digits than its factorization.

13202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18421.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13202231 is about 3633.4874432149. The cubic root of 13202231 is about 236.3464639712.

Adding to 13202231 its reverse (13220231), we get a palindrome (26422462).

The spelling of 13202231 in words is "thirteen million, two hundred two thousand, two hundred thirty-one".