12966326 has 4 divisors (see below), whose sum is σ = 19449492. Its totient is φ = 6483162.

The previous prime is 12966323. The next prime is 12966329. The reversal of 12966326 is 62366921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62366921 = 137 ⋅455233.

It is an interprime number because it is at equal distance from previous prime (12966323) and next prime (12966329).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12966323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3241580 + ... + 3241583.

It is an arithmetic number, because the mean of its divisors is an integer number (4862373).

Almost surely, 2^12966326 is an apocalyptic number.

12966326 is a deficient number, since it is larger than the sum of its proper divisors (6483166).

12966326 is an equidigital number, since it uses as much as digits as its factorization.

12966326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483165.

The product of its digits is 23328, while the sum is 35.

The square root of 12966326 is about 3600.8785039210. The cubic root of 12966326 is about 234.9302705447.

The spelling of 12966326 in words is "twelve million, nine hundred sixty-six thousand, three hundred twenty-six".