13538297 has 2 divisors, whose sum is σ = 13538298. Its totient is φ = 13538296.

The previous prime is 13538269. The next prime is 13538353. The reversal of 13538297 is 79283531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9554281 + 3984016 = 3091^2 + 1996^2 .

It is a cyclic number.

It is not a de Polignac number, because 13538297 - 2⁶ = 13538233 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13538297.

It is not a weakly prime, because it can be changed into another prime (13538197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6769148 + 6769149.

It is an arithmetic number, because the mean of its divisors is an integer number (6769149).

Almost surely, 2^13538297 is an apocalyptic number.

It is an amenable number.

13538297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13538297 is an equidigital number, since it uses as much as digits as its factorization.

13538297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 13538297 is about 3679.4424849425. The cubic root of 13538297 is about 238.3351033606.

The spelling of 13538297 in words is "thirteen million, five hundred thirty-eight thousand, two hundred ninety-seven".