13453397 has 2 divisors, whose sum is σ = 13453398. Its totient is φ = 13453396.

The previous prime is 13453381. The next prime is 13453457. The reversal of 13453397 is 79335431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11115556 + 2337841 = 3334^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 13453397 - 2⁴ = 13453381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13453337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726698 + 6726699.

It is an arithmetic number, because the mean of its divisors is an integer number (6726699).

Almost surely, 2^13453397 is an apocalyptic number.

It is an amenable number.

13453397 is a deficient number, since it is larger than the sum of its proper divisors (1).

13453397 is an equidigital number, since it uses as much as digits as its factorization.

13453397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 35.

The square root of 13453397 is about 3667.8872665337. The cubic root of 13453397 is about 237.8358506089.

The spelling of 13453397 in words is "thirteen million, four hundred fifty-three thousand, three hundred ninety-seven".