13454457 has 4 divisors (see below), whose sum is σ = 17939280. Its totient is φ = 8969636.

The previous prime is 13454449. The next prime is 13454459. The reversal of 13454457 is 75445431.

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: 75445431 = 3 ⋅25148477.

It is a cyclic number.

It is not a de Polignac number, because 13454457 - 2³ = 13454449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13454459) 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, 2242407 + ... + 2242412.

It is an arithmetic number, because the mean of its divisors is an integer number (4484820).

Almost surely, 2^13454457 is an apocalyptic number.

It is an amenable number.

13454457 is a deficient number, since it is larger than the sum of its proper divisors (4484823).

13454457 is an equidigital number, since it uses as much as digits as its factorization.

13454457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484822.

The product of its digits is 33600, while the sum is 33.

The square root of 13454457 is about 3668.0317610402. The cubic root of 13454457 is about 237.8420968475.

Adding to 13454457 its reverse (75445431), we get a palindrome (88899888).

The spelling of 13454457 in words is "thirteen million, four hundred fifty-four thousand, four hundred fifty-seven".