13425457 has 4 divisors (see below), whose sum is σ = 14132080. Its totient is φ = 12718836.

The previous prime is 13425443. The next prime is 13425469. The reversal of 13425457 is 75452431.

13425457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 13425457 - 2¹¹ = 13423409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13425437) 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, 353283 + ... + 353320.

It is an arithmetic number, because the mean of its divisors is an integer number (3533020).

Almost surely, 2^13425457 is an apocalyptic number.

It is an amenable number.

13425457 is a deficient number, since it is larger than the sum of its proper divisors (706623).

13425457 is an equidigital number, since it uses as much as digits as its factorization.

13425457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706622.

The product of its digits is 16800, while the sum is 31.

The square root of 13425457 is about 3664.0765548771. The cubic root of 13425457 is about 237.6710907548.

Adding to 13425457 its reverse (75452431), we get a palindrome (88877888).

The spelling of 13425457 in words is "thirteen million, four hundred twenty-five thousand, four hundred fifty-seven".