13439233 has 2 divisors, whose sum is σ = 13439234. Its totient is φ = 13439232.

The previous prime is 13439221. The next prime is 13439249. The reversal of 13439233 is 33293431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10316944 + 3122289 = 3212^2 + 1767^2 .

It is a cyclic number.

It is not a de Polignac number, because 13439233 - 2⁵ = 13439201 is a prime.

It is a super-2 number, since 2×13439233² = 361225967256578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13439033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6719616 + 6719617.

It is an arithmetic number, because the mean of its divisors is an integer number (6719617).

Almost surely, 2^13439233 is an apocalyptic number.

It is an amenable number.

13439233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13439233 is an equidigital number, since it uses as much as digits as its factorization.

13439233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 28.

The square root of 13439233 is about 3665.9559462710. The cubic root of 13439233 is about 237.7523552188.

The spelling of 13439233 in words is "thirteen million, four hundred thirty-nine thousand, two hundred thirty-three".