13504457 has 8 divisors (see below), whose sum is σ = 13904352. Its totient is φ = 13108000.

The previous prime is 13504429. The next prime is 13504471. The reversal of 13504457 is 75440531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13504457 - 2¹⁴ = 13488073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13504487) 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 7 ways as a sum of consecutive naturals, for example, 8582 + ... + 10032.

It is an arithmetic number, because the mean of its divisors is an integer number (1738044).

Almost surely, 2^13504457 is an apocalyptic number.

It is an amenable number.

13504457 is a deficient number, since it is larger than the sum of its proper divisors (399895).

13504457 is a wasteful number, since it uses less digits than its factorization.

13504457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 13504457 is about 3674.8410849995. The cubic root of 13504457 is about 238.1363587879.

Adding to 13504457 its reverse (75440531), we get a palindrome (88944988).

The spelling of 13504457 in words is "thirteen million, five hundred four thousand, four hundred fifty-seven".