12670993 has 4 divisors (see below), whose sum is σ = 12763620. Its totient is φ = 12578368.

The previous prime is 12670963. The next prime is 12670997. The reversal of 12670993 is 39907621.

12670993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39907621 = 13 ⋅3069817.

It can be written as a sum of positive squares in 2 ways, for example, as 8248384 + 4422609 = 2872^2 + 2103^2 .

It is a cyclic number.

It is not a de Polignac number, because 12670993 - 2⁵ = 12670961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12670997) 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, 46108 + ... + 46381.

It is an arithmetic number, because the mean of its divisors is an integer number (3190905).

Almost surely, 2^12670993 is an apocalyptic number.

It is an amenable number.

12670993 is a deficient number, since it is larger than the sum of its proper divisors (92627).

12670993 is an equidigital number, since it uses as much as digits as its factorization.

12670993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92626.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 12670993 is about 3559.6338294830. The cubic root of 12670993 is about 233.1328915814.

The spelling of 12670993 in words is "twelve million, six hundred seventy thousand, nine hundred ninety-three".