13475893 has 2 divisors, whose sum is σ = 13475894. Its totient is φ = 13475892.

The previous prime is 13475879. The next prime is 13475909. The reversal of 13475893 is 39857431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11992369 + 1483524 = 3463^2 + 1218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13475893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13475863) 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 as a sum of consecutive naturals, namely, 6737946 + 6737947.

It is an arithmetic number, because the mean of its divisors is an integer number (6737947).

Almost surely, 2^13475893 is an apocalyptic number.

It is an amenable number.

13475893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13475893 is an equidigital number, since it uses as much as digits as its factorization.

13475893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 13475893 is about 3670.9526011650. The cubic root of 13475893 is about 237.9683419511.

The spelling of 13475893 in words is "thirteen million, four hundred seventy-five thousand, eight hundred ninety-three".