13424457 has 8 divisors (see below), whose sum is σ = 18476800. Its totient is φ = 8660880.

The previous prime is 13424443. The next prime is 13424459. The reversal of 13424457 is 75442431.

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

It is not a de Polignac number, because 13424457 - 2¹⁵ = 13391689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13424459) 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, 72082 + ... + 72267.

It is an arithmetic number, because the mean of its divisors is an integer number (2309600).

Almost surely, 2^13424457 is an apocalyptic number.

It is an amenable number.

13424457 is a deficient number, since it is larger than the sum of its proper divisors (5052343).

13424457 is a wasteful number, since it uses less digits than its factorization.

13424457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144383.

The product of its digits is 13440, while the sum is 30.

The square root of 13424457 is about 3663.9400923050. The cubic root of 13424457 is about 237.6651896027.

Adding to 13424457 its reverse (75442431), we get a palindrome (88866888).

The spelling of 13424457 in words is "thirteen million, four hundred twenty-four thousand, four hundred fifty-seven".