13232539 has 2 divisors, whose sum is σ = 13232540. Its totient is φ = 13232538.

The previous prime is 13232537. The next prime is 13232543. The reversal of 13232539 is 93523231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13232539 - 2¹ = 13232537 is a prime.

Together with 13232537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13232537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616269 + 6616270.

It is an arithmetic number, because the mean of its divisors is an integer number (6616270).

Almost surely, 2^13232539 is an apocalyptic number.

13232539 is a deficient number, since it is larger than the sum of its proper divisors (1).

13232539 is an equidigital number, since it uses as much as digits as its factorization.

13232539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 28.

The square root of 13232539 is about 3637.6557011350. The cubic root of 13232539 is about 236.5271837845.

The spelling of 13232539 in words is "thirteen million, two hundred thirty-two thousand, five hundred thirty-nine".