13459431 has 4 divisors (see below), whose sum is σ = 17945912. Its totient is φ = 8972952.

The previous prime is 13459409. The next prime is 13459447. The reversal of 13459431 is 13495431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13459431 - 2⁶ = 13459367 is a prime.

It is a super-2 number, since 2×13459431² = 362312565687522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13459471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243236 + ... + 2243241.

It is an arithmetic number, because the mean of its divisors is an integer number (4486478).

Almost surely, 2^13459431 is an apocalyptic number.

13459431 is a deficient number, since it is larger than the sum of its proper divisors (4486481).

13459431 is an equidigital number, since it uses as much as digits as its factorization.

13459431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486480.

The product of its digits is 6480, while the sum is 30.

The square root of 13459431 is about 3668.7097186886. The cubic root of 13459431 is about 237.8714026464.

The spelling of 13459431 in words is "thirteen million, four hundred fifty-nine thousand, four hundred thirty-one".