13166973 has 12 divisors (see below), whose sum is σ = 19055868. Its totient is φ = 8760960.

The previous prime is 13166963. The next prime is 13166983. The reversal of 13166973 is 37966131.

It is an interprime number because it is at equal distance from previous prime (13166963) and next prime (13166983).

It can be written as a sum of positive squares in 2 ways, for example, as 11471769 + 1695204 = 3387^2 + 1302^2 .

It is not a de Polignac number, because 13166973 - 2²² = 8972669 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13166903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5013 + ... + 7173.

It is an arithmetic number, because the mean of its divisors is an integer number (1587989).

Almost surely, 2^13166973 is an apocalyptic number.

It is an amenable number.

13166973 is a deficient number, since it is larger than the sum of its proper divisors (5888895).

13166973 is a wasteful number, since it uses less digits than its factorization.

13166973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844 (or 2841 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 13166973 is about 3628.6323870020. The cubic root of 13166973 is about 236.1358800477.

The spelling of 13166973 in words is "thirteen million, one hundred sixty-six thousand, nine hundred seventy-three".