13411257 has 4 divisors (see below), whose sum is σ = 17881680. Its totient is φ = 8940836.

The previous prime is 13411243. The next prime is 13411259. The reversal of 13411257 is 75211431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75211431 = 3 ⋅25070477.

It is a cyclic number.

It is not a de Polignac number, because 13411257 - 2⁴ = 13411241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13411259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235207 + ... + 2235212.

It is an arithmetic number, because the mean of its divisors is an integer number (4470420).

Almost surely, 2^13411257 is an apocalyptic number.

It is an amenable number.

13411257 is a deficient number, since it is larger than the sum of its proper divisors (4470423).

13411257 is an equidigital number, since it uses as much as digits as its factorization.

13411257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470422.

The product of its digits is 840, while the sum is 24.

The square root of 13411257 is about 3662.1383097857. The cubic root of 13411257 is about 237.5872669151.

Adding to 13411257 its reverse (75211431), we get a palindrome (88622688).

The spelling of 13411257 in words is "thirteen million, four hundred eleven thousand, two hundred fifty-seven".