13470931 has 2 divisors, whose sum is σ = 13470932. Its totient is φ = 13470930.

The previous prime is 13470929. The next prime is 13470937. The reversal of 13470931 is 13907431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13470931 - 2¹ = 13470929 is a prime.

It is a super-3 number, since 3×13470931³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 13470929, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13470931.

It is not a weakly prime, because it can be changed into another prime (13470937) 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 as a sum of consecutive naturals, namely, 6735465 + 6735466.

It is an arithmetic number, because the mean of its divisors is an integer number (6735466).

Almost surely, 2^13470931 is an apocalyptic number.

13470931 is a deficient number, since it is larger than the sum of its proper divisors (1).

13470931 is an equidigital number, since it uses as much as digits as its factorization.

13470931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 13470931 is about 3670.2766925669. The cubic root of 13470931 is about 237.9391306805.

The spelling of 13470931 in words is "thirteen million, four hundred seventy thousand, nine hundred thirty-one".