13347473 has 2 divisors, whose sum is σ = 13347474. Its totient is φ = 13347472.

The previous prime is 13347463. The next prime is 13347487. The reversal of 13347473 is 37474331.

13347473 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12759184 + 588289 = 3572^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 13347473 - 2⁶ = 13347409 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13347413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6673736 + 6673737.

It is an arithmetic number, because the mean of its divisors is an integer number (6673737).

Almost surely, 2^13347473 is an apocalyptic number.

It is an amenable number.

13347473 is a deficient number, since it is larger than the sum of its proper divisors (1).

13347473 is an equidigital number, since it uses as much as digits as its factorization.

13347473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 32.

The square root of 13347473 is about 3653.4193572597. The cubic root of 13347473 is about 237.2100128292.

The spelling of 13347473 in words is "thirteen million, three hundred forty-seven thousand, four hundred seventy-three".