13132231 has 8 divisors (see below), whose sum is σ = 15220224. Its totient is φ = 11097240.

The previous prime is 13132219. The next prime is 13132237. The reversal of 13132231 is 13223131.

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

It is not a de Polignac number, because 13132231 - 2⁹ = 13131719 is a prime.

It is a super-2 number, since 2×13132231² = 344910982074722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12715 + ... + 13708.

It is an arithmetic number, because the mean of its divisors is an integer number (1902528).

Almost surely, 2^13132231 is an apocalyptic number.

13132231 is a deficient number, since it is larger than the sum of its proper divisors (2087993).

13132231 is an equidigital number, since it uses as much as digits as its factorization.

13132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26501.

The product of its digits is 108, while the sum is 16.

The square root of 13132231 is about 3623.8420219430. The cubic root of 13132231 is about 235.9280099775.

Adding to 13132231 its reverse (13223131), we get a palindrome (26355362).

The spelling of 13132231 in words is "thirteen million, one hundred thirty-two thousand, two hundred thirty-one".