13468531 has 4 divisors (see below), whose sum is σ = 13529152. Its totient is φ = 13407912.

The previous prime is 13468517. The next prime is 13468537. The reversal of 13468531 is 13586431.

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

It is a cyclic number.

It is not a de Polignac number, because 13468531 - 2⁹ = 13468019 is a prime.

It is a super-2 number, since 2×13468531² = 362802654595922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13468493 and 13468502.

It is not an unprimeable number, because it can be changed into a prime (13468537) 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, 29976 + ... + 30421.

It is an arithmetic number, because the mean of its divisors is an integer number (3382288).

Almost surely, 2^13468531 is an apocalyptic number.

13468531 is a deficient number, since it is larger than the sum of its proper divisors (60621).

13468531 is an equidigital number, since it uses as much as digits as its factorization.

13468531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60620.

The product of its digits is 8640, while the sum is 31.

The square root of 13468531 is about 3669.9497271761. The cubic root of 13468531 is about 237.9249993180.

The spelling of 13468531 in words is "thirteen million, four hundred sixty-eight thousand, five hundred thirty-one".