13893293 has 2 divisors, whose sum is σ = 13893294. Its totient is φ = 13893292.

The previous prime is 13893289. The next prime is 13893323. The reversal of 13893293 is 39239831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13675204 + 218089 = 3698^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 13893293 - 2² = 13893289 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13893263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6946646 + 6946647.

It is an arithmetic number, because the mean of its divisors is an integer number (6946647).

Almost surely, 2^13893293 is an apocalyptic number.

It is an amenable number.

13893293 is a deficient number, since it is larger than the sum of its proper divisors (1).

13893293 is an equidigital number, since it uses as much as digits as its factorization.

13893293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 13893293 is about 3727.3707891757. The cubic root of 13893293 is about 240.4003330090.

The spelling of 13893293 in words is "thirteen million, eight hundred ninety-three thousand, two hundred ninety-three".