13260239 has 2 divisors, whose sum is σ = 13260240. Its totient is φ = 13260238.

The previous prime is 13260227. The next prime is 13260253. The reversal of 13260239 is 93206231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13260239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13260209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630119 + 6630120.

It is an arithmetic number, because the mean of its divisors is an integer number (6630120).

Almost surely, 2^13260239 is an apocalyptic number.

13260239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13260239 is an equidigital number, since it uses as much as digits as its factorization.

13260239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 13260239 is about 3641.4611078522. The cubic root of 13260239 is about 236.6921114832.

The spelling of 13260239 in words is "thirteen million, two hundred sixty thousand, two hundred thirty-nine".