13469257 has 2 divisors, whose sum is σ = 13469258. Its totient is φ = 13469256.

The previous prime is 13469243. The next prime is 13469293. The reversal of 13469257 is 75296431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7338681 + 6130576 = 2709^2 + 2476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13469257 is a prime.

It is not a weakly prime, because it can be changed into another prime (13469297) 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, 6734628 + 6734629.

It is an arithmetic number, because the mean of its divisors is an integer number (6734629).

Almost surely, 2^13469257 is an apocalyptic number.

It is an amenable number.

13469257 is a deficient number, since it is larger than the sum of its proper divisors (1).

13469257 is an equidigital number, since it uses as much as digits as its factorization.

13469257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 13469257 is about 3670.0486372799. The cubic root of 13469257 is about 237.9292742322.

The spelling of 13469257 in words is "thirteen million, four hundred sixty-nine thousand, two hundred fifty-seven".