13895993 has 2 divisors, whose sum is σ = 13895994. Its totient is φ = 13895992.

The previous prime is 13895989. The next prime is 13896037. The reversal of 13895993 is 39959831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8340544 + 5555449 = 2888^2 + 2357^2 .

It is a cyclic number.

It is not a de Polignac number, because 13895993 - 2² = 13895989 is a prime.

It is not a weakly prime, because it can be changed into another prime (13895963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6947996 + 6947997.

It is an arithmetic number, because the mean of its divisors is an integer number (6947997).

Almost surely, 2^13895993 is an apocalyptic number.

It is an amenable number.

13895993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13895993 is an equidigital number, since it uses as much as digits as its factorization.

13895993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262440, while the sum is 47.

The square root of 13895993 is about 3727.7329571738. The cubic root of 13895993 is about 240.4159050037.

The spelling of 13895993 in words is "thirteen million, eight hundred ninety-five thousand, nine hundred ninety-three".