13473997 has 2 divisors, whose sum is σ = 13473998. Its totient is φ = 13473996.

The previous prime is 13473991. The next prime is 13474033. The reversal of 13473997 is 79937431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11417641 + 2056356 = 3379^2 + 1434^2 .

It is a cyclic number.

It is not a de Polignac number, because 13473997 - 2³ = 13473989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13473991) 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, 6736998 + 6736999.

It is an arithmetic number, because the mean of its divisors is an integer number (6736999).

Almost surely, 2^13473997 is an apocalyptic number.

It is an amenable number.

13473997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13473997 is an equidigital number, since it uses as much as digits as its factorization.

13473997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 43.

The square root of 13473997 is about 3670.6943484850. The cubic root of 13473997 is about 237.9571810547.

The spelling of 13473997 in words is "thirteen million, four hundred seventy-three thousand, nine hundred ninety-seven".