11994973 has 2 divisors, whose sum is σ = 11994974. Its totient is φ = 11994972.

The previous prime is 11994967. The next prime is 11994977. The reversal of 11994973 is 37949911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9504889 + 2490084 = 3083^2 + 1578^2 .

It is a cyclic number.

It is not a de Polignac number, because 11994973 - 2⁹ = 11994461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11994977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5997486 + 5997487.

It is an arithmetic number, because the mean of its divisors is an integer number (5997487).

Almost surely, 2^11994973 is an apocalyptic number.

It is an amenable number.

11994973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11994973 is an equidigital number, since it uses as much as digits as its factorization.

11994973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 43.

The square root of 11994973 is about 3463.3759541811. The cubic root of 11994973 is about 228.9108747205.

The spelling of 11994973 in words is "eleven million, nine hundred ninety-four thousand, nine hundred seventy-three".