11743993 has 2 divisors, whose sum is σ = 11743994. Its totient is φ = 11743992.

The previous prime is 11743973. The next prime is 11743997. The reversal of 11743993 is 39934711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7112889 + 4631104 = 2667^2 + 2152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11743993 is a prime.

It is not a weakly prime, because it can be changed into another prime (11743997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5871996 + 5871997.

It is an arithmetic number, because the mean of its divisors is an integer number (5871997).

Almost surely, 2^11743993 is an apocalyptic number.

It is an amenable number.

11743993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11743993 is an equidigital number, since it uses as much as digits as its factorization.

11743993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 11743993 is about 3426.9509771807. The cubic root of 11743993 is about 227.3030489629.

The spelling of 11743993 in words is "eleven million, seven hundred forty-three thousand, nine hundred ninety-three".