12522973 has 2 divisors, whose sum is σ = 12522974. Its totient is φ = 12522972.

The previous prime is 12522967. The next prime is 12523073. The reversal of 12522973 is 37922521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8450649 + 4072324 = 2907^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 12522973 - 2⁵ = 12522941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12522943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261486 + 6261487.

It is an arithmetic number, because the mean of its divisors is an integer number (6261487).

Almost surely, 2^12522973 is an apocalyptic number.

It is an amenable number.

12522973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12522973 is an equidigital number, since it uses as much as digits as its factorization.

12522973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 12522973 is about 3538.7812873926. The cubic root of 12522973 is about 232.2215296315.

It can be divided in two parts, 1252 and 2973, that added together give a square (4225 = 65²).

The spelling of 12522973 in words is "twelve million, five hundred twenty-two thousand, nine hundred seventy-three".