12966193 has 4 divisors (see below), whose sum is σ = 12987760. Its totient is φ = 12944628.

The previous prime is 12966179. The next prime is 12966197. The reversal of 12966193 is 39166921.

12966193 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 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, and also an emirpimes, since its reverse is a distinct semiprime: 39166921 = 1831 ⋅21391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12966193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12966197) 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, 9855 + ... + 11092.

It is an arithmetic number, because the mean of its divisors is an integer number (3246940).

Almost surely, 2^12966193 is an apocalyptic number.

It is an amenable number.

12966193 is a deficient number, since it is larger than the sum of its proper divisors (21567).

12966193 is an equidigital number, since it uses as much as digits as its factorization.

12966193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21566.

The product of its digits is 17496, while the sum is 37.

The square root of 12966193 is about 3600.8600361580. The cubic root of 12966193 is about 234.9294672888.

The spelling of 12966193 in words is "twelve million, nine hundred sixty-six thousand, one hundred ninety-three".