13487339 has 2 divisors, whose sum is σ = 13487340. Its totient is φ = 13487338.

The previous prime is 13487323. The next prime is 13487377. The reversal of 13487339 is 93378431.

It is an a-pointer prime, because the next prime (13487377) can be obtained adding 13487339 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13487339 - 2⁴ = 13487323 is a prime.

It is not a weakly prime, because it can be changed into another prime (13487389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6743669 + 6743670.

It is an arithmetic number, because the mean of its divisors is an integer number (6743670).

Almost surely, 2^13487339 is an apocalyptic number.

13487339 is a deficient number, since it is larger than the sum of its proper divisors (1).

13487339 is an equidigital number, since it uses as much as digits as its factorization.

13487339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 13487339 is about 3672.5112661502. The cubic root of 13487339 is about 238.0356971619.

The spelling of 13487339 in words is "thirteen million, four hundred eighty-seven thousand, three hundred thirty-nine".