12612973 has 2 divisors, whose sum is σ = 12612974. Its totient is φ = 12612972.

The previous prime is 12612959. The next prime is 12613019. The reversal of 12612973 is 37921621.

12612973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10771524 + 1841449 = 3282^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 12612973 - 2¹⁷ = 12481901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12612913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306486 + 6306487.

It is an arithmetic number, because the mean of its divisors is an integer number (6306487).

Almost surely, 2^12612973 is an apocalyptic number.

It is an amenable number.

12612973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12612973 is an equidigital number, since it uses as much as digits as its factorization.

12612973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 12612973 is about 3551.4747640945. The cubic root of 12612973 is about 232.7765114979.

The spelling of 12612973 in words is "twelve million, six hundred twelve thousand, nine hundred seventy-three".