13152397 has 2 divisors, whose sum is σ = 13152398. Its totient is φ = 13152396.

The previous prime is 13152329. The next prime is 13152413. The reversal of 13152397 is 79325131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11464996 + 1687401 = 3386^2 + 1299^2 .

It is an emirp because it is prime and its reverse (79325131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13152397 - 2¹¹ = 13150349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13152497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6576198 + 6576199.

It is an arithmetic number, because the mean of its divisors is an integer number (6576199).

Almost surely, 2^13152397 is an apocalyptic number.

It is an amenable number.

13152397 is a deficient number, since it is larger than the sum of its proper divisors (1).

13152397 is an equidigital number, since it uses as much as digits as its factorization.

13152397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 31.

The square root of 13152397 is about 3626.6233606483. The cubic root of 13152397 is about 236.0487127732.

The spelling of 13152397 in words is "thirteen million, one hundred fifty-two thousand, three hundred ninety-seven".