13487297 has 2 divisors, whose sum is σ = 13487298. Its totient is φ = 13487296.

The previous prime is 13487293. The next prime is 13487323. The reversal of 13487297 is 79278431.

13487297 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10042561 + 3444736 = 3169^2 + 1856^2 .

It is a cyclic number.

It is not a de Polignac number, because 13487297 - 2² = 13487293 is a prime.

It is not a weakly prime, because it can be changed into another prime (13487293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6743648 + 6743649.

It is an arithmetic number, because the mean of its divisors is an integer number (6743649).

Almost surely, 2^13487297 is an apocalyptic number.

It is an amenable number.

13487297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13487297 is an equidigital number, since it uses as much as digits as its factorization.

13487297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 13487297 is about 3672.5055479876. The cubic root of 13487297 is about 238.0354500781.

The spelling of 13487297 in words is "thirteen million, four hundred eighty-seven thousand, two hundred ninety-seven".