13369257 has 12 divisors (see below), whose sum is σ = 21066864. Its totient is φ = 8102520.

The previous prime is 13369253. The next prime is 13369271. The reversal of 13369257 is 75296331.

It is not a de Polignac number, because 13369257 - 2² = 13369253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13369253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67423 + ... + 67620.

It is an arithmetic number, because the mean of its divisors is an integer number (1755572).

Almost surely, 2^13369257 is an apocalyptic number.

It is an amenable number.

13369257 is a deficient number, since it is larger than the sum of its proper divisors (7697607).

13369257 is a wasteful number, since it uses less digits than its factorization.

13369257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135060 (or 135057 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 13369257 is about 3656.3994584837. The cubic root of 13369257 is about 237.3389904089.

The spelling of 13369257 in words is "thirteen million, three hundred sixty-nine thousand, two hundred fifty-seven".