11715943 has 2 divisors, whose sum is σ = 11715944. Its totient is φ = 11715942.

The previous prime is 11715931. The next prime is 11715959. The reversal of 11715943 is 34951711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11715943 - 2⁵ = 11715911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11715983) 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, 5857971 + 5857972.

It is an arithmetic number, because the mean of its divisors is an integer number (5857972).

Almost surely, 2^11715943 is an apocalyptic number.

11715943 is a deficient number, since it is larger than the sum of its proper divisors (1).

11715943 is an equidigital number, since it uses as much as digits as its factorization.

11715943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 11715943 is about 3422.8559712614. The cubic root of 11715943 is about 227.1219369847.

The spelling of 11715943 in words is "eleven million, seven hundred fifteen thousand, nine hundred forty-three".