12506673 has 4 divisors (see below), whose sum is σ = 16675568. Its totient is φ = 8337780.

The previous prime is 12506651. The next prime is 12506677. The reversal of 12506673 is 37660521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-12506673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12506673.

It is not an unprimeable number, because it can be changed into a prime (12506677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2084443 + ... + 2084448.

It is an arithmetic number, because the mean of its divisors is an integer number (4168892).

Almost surely, 2^12506673 is an apocalyptic number.

It is an amenable number.

12506673 is a deficient number, since it is larger than the sum of its proper divisors (4168895).

12506673 is an equidigital number, since it uses as much as digits as its factorization.

12506673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168894.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 12506673 is about 3536.4774847297. The cubic root of 12506673 is about 232.1207320971.

The spelling of 12506673 in words is "twelve million, five hundred six thousand, six hundred seventy-three".