11212973 has 2 divisors, whose sum is σ = 11212974. Its totient is φ = 11212972.

The previous prime is 11212921. The next prime is 11212987. The reversal of 11212973 is 37921211.

11212973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10125124 + 1087849 = 3182^2 + 1043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606486 + 5606487.

It is an arithmetic number, because the mean of its divisors is an integer number (5606487).

Almost surely, 2^11212973 is an apocalyptic number.

It is an amenable number.

11212973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212973 is an equidigital number, since it uses as much as digits as its factorization.

11212973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 26.

The square root of 11212973 is about 3348.5777577951. The cubic root of 11212973 is about 223.8241405107.

The spelling of 11212973 in words is "eleven million, two hundred twelve thousand, nine hundred seventy-three".