11751973 has 4 divisors (see below), whose sum is σ = 11762368. Its totient is φ = 11741580.

The previous prime is 11751967. The next prime is 11752003. The reversal of 11751973 is 37915711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11751973 - 2¹⁷ = 11620901 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3261 + ... + 5842.

It is an arithmetic number, because the mean of its divisors is an integer number (2940592).

Almost surely, 2^11751973 is an apocalyptic number.

It is an amenable number.

11751973 is a deficient number, since it is larger than the sum of its proper divisors (10395).

11751973 is an equidigital number, since it uses as much as digits as its factorization.

11751973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10394.

The product of its digits is 6615, while the sum is 34.

The square root of 11751973 is about 3428.1150797486. The cubic root of 11751973 is about 227.3545211679.

The spelling of 11751973 in words is "eleven million, seven hundred fifty-one thousand, nine hundred seventy-three".