13235457 has 16 divisors (see below), whose sum is σ = 18792000. Its totient is φ = 8262144.

The previous prime is 13235449. The next prime is 13235459. The reversal of 13235457 is 75453231.

It is not a de Polignac number, because 13235457 - 2³ = 13235449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13235459) 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 in 15 ways as a sum of consecutive naturals, for example, 3769 + ... + 6377.

It is an arithmetic number, because the mean of its divisors is an integer number (1174500).

Almost surely, 2^13235457 is an apocalyptic number.

It is an amenable number.

13235457 is a deficient number, since it is larger than the sum of its proper divisors (5556543).

13235457 is a wasteful number, since it uses less digits than its factorization.

13235457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720.

The product of its digits is 12600, while the sum is 30.

The square root of 13235457 is about 3638.0567615143. The cubic root of 13235457 is about 236.5445685962.

Adding to 13235457 its reverse (75453231), we get a palindrome (88688688).

The spelling of 13235457 in words is "thirteen million, two hundred thirty-five thousand, four hundred fifty-seven".