13452931 has 4 divisors (see below), whose sum is σ = 14161000. Its totient is φ = 12744864.

The previous prime is 13452919. The next prime is 13452947. The reversal of 13452931 is 13925431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13452931 is a prime.

It is a super-2 number, since 2×13452931² = 361962704981522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13452931.

It is not an unprimeable number, because it can be changed into a prime (13452911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354006 + ... + 354043.

It is an arithmetic number, because the mean of its divisors is an integer number (3540250).

Almost surely, 2^13452931 is an apocalyptic number.

13452931 is a deficient number, since it is larger than the sum of its proper divisors (708069).

13452931 is an equidigital number, since it uses as much as digits as its factorization.

13452931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708068.

The product of its digits is 3240, while the sum is 28.

The square root of 13452931 is about 3667.8237416757. The cubic root of 13452931 is about 237.8331045172.

The spelling of 13452931 in words is "thirteen million, four hundred fifty-two thousand, nine hundred thirty-one".