11751993 has 16 divisors (see below), whose sum is σ = 18993600. Its totient is φ = 7122240.

The previous prime is 11751967. The next prime is 11752003. The reversal of 11751993 is 39915711.

11751993 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11751993 - 2⁸ = 11751737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11751923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19488 + ... + 20081.

It is an arithmetic number, because the mean of its divisors is an integer number (1187100).

Almost surely, 2^11751993 is an apocalyptic number.

It is an amenable number.

11751993 is a deficient number, since it is larger than the sum of its proper divisors (7241607).

11751993 is a wasteful number, since it uses less digits than its factorization.

11751993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39589 (or 39583 counting only the distinct ones).

The product of its digits is 8505, while the sum is 36.

The square root of 11751993 is about 3428.1179968023. The cubic root of 11751993 is about 227.3546501416.

The spelling of 11751993 in words is "eleven million, seven hundred fifty-one thousand, nine hundred ninety-three".