12611973 has 16 divisors (see below), whose sum is σ = 18473472. Its totient is φ = 7590000.

The previous prime is 12611957. The next prime is 12611987. The reversal of 12611973 is 37911621.

12611973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12611973 - 2⁴ = 12611957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12611973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3718 + ... + 6248.

It is an arithmetic number, because the mean of its divisors is an integer number (1154592).

Almost surely, 2^12611973 is an apocalyptic number.

It is an amenable number.

12611973 is a deficient number, since it is larger than the sum of its proper divisors (5861499).

12611973 is a wasteful number, since it uses less digits than its factorization.

12611973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696.

The product of its digits is 2268, while the sum is 30.

The square root of 12611973 is about 3551.3339747199. Note that the first 3 decimals coincide. The cubic root of 12611973 is about 232.7703595605.

The spelling of 12611973 in words is "twelve million, six hundred eleven thousand, nine hundred seventy-three".