13203473 has 2 divisors, whose sum is σ = 13203474. Its totient is φ = 13203472.

The previous prime is 13203457. The next prime is 13203493. The reversal of 13203473 is 37430231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11505664 + 1697809 = 3392^2 + 1303^2 .

It is an emirp because it is prime and its reverse (37430231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13203473 - 2⁴ = 13203457 is a prime.

It is not a weakly prime, because it can be changed into another prime (13203493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601736 + 6601737.

It is an arithmetic number, because the mean of its divisors is an integer number (6601737).

Almost surely, 2^13203473 is an apocalyptic number.

It is an amenable number.

13203473 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203473 is an equidigital number, since it uses as much as digits as its factorization.

13203473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 13203473 is about 3633.6583493774. The cubic root of 13203473 is about 236.3538751707.

The spelling of 13203473 in words is "thirteen million, two hundred three thousand, four hundred seventy-three".