13432231 has 2 divisors, whose sum is σ = 13432232. Its totient is φ = 13432230.

The previous prime is 13432229. The next prime is 13432247. The reversal of 13432231 is 13223431.

13432231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13432231 - 2¹ = 13432229 is a prime.

It is a super-2 number, since 2×13432231² = 360849659274722, which contains 22 as substring.

Together with 13432229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13432199 and 13432208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13430231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6716115 + 6716116.

It is an arithmetic number, because the mean of its divisors is an integer number (6716116).

Almost surely, 2^13432231 is an apocalyptic number.

13432231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13432231 is an equidigital number, since it uses as much as digits as its factorization.

13432231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 19.

The square root of 13432231 is about 3665.0008185538. Note that the first 3 decimals coincide. The cubic root of 13432231 is about 237.7110574455.

Adding to 13432231 its reverse (13223431), we get a palindrome (26655662).

The spelling of 13432231 in words is "thirteen million, four hundred thirty-two thousand, two hundred thirty-one".