13412457 has 6 divisors (see below), whose sum is σ = 19373562. Its totient is φ = 8941632.

The previous prime is 13412449. The next prime is 13412459. The reversal of 13412457 is 75421431.

It can be written as a sum of positive squares in only one way, i.e., 11532816 + 1879641 = 3396^2 + 1371^2 .

It is not a de Polignac number, because 13412457 - 2³ = 13412449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13412457.

It is not an unprimeable number, because it can be changed into a prime (13412459) 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 5 ways as a sum of consecutive naturals, for example, 745128 + ... + 745145.

It is an arithmetic number, because the mean of its divisors is an integer number (3228927).

Almost surely, 2^13412457 is an apocalyptic number.

It is an amenable number.

13412457 is a deficient number, since it is larger than the sum of its proper divisors (5961105).

13412457 is a wasteful number, since it uses less digits than its factorization.

13412457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490279 (or 1490276 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 13412457 is about 3662.3021448264. The cubic root of 13412457 is about 237.5943529080.

Adding to 13412457 its reverse (75421431), we get a palindrome (88833888).

The spelling of 13412457 in words is "thirteen million, four hundred twelve thousand, four hundred fifty-seven".