12566673 has 24 divisors (see below), whose sum is σ = 20898176. Its totient is φ = 7128000.

The previous prime is 12566669. The next prime is 12566677. The reversal of 12566673 is 37666521.

12566673 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12566669) and next prime (12566677).

It is not a de Polignac number, because 12566673 - 2² = 12566669 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 (12566677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8853 + ... + 10173.

Almost surely, 2^12566673 is an apocalyptic number.

It is an amenable number.

12566673 is a deficient number, since it is larger than the sum of its proper divisors (8331503).

12566673 is a wasteful number, since it uses less digits than its factorization.

12566673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1482 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 12566673 is about 3544.9503522617. The cubic root of 12566673 is about 232.4913350916.

The spelling of 12566673 in words is "twelve million, five hundred sixty-six thousand, six hundred seventy-three".