12662366 has 4 divisors (see below), whose sum is σ = 18993552. Its totient is φ = 6331182.

The previous prime is 12662359. The next prime is 12662371. The reversal of 12662366 is 66326621.

12662366 is digitally balanced in base 2, 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: 66326621 = 347 ⋅191143.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3165590 + ... + 3165593.

It is an arithmetic number, because the mean of its divisors is an integer number (4748388).

Almost surely, 2^12662366 is an apocalyptic number.

12662366 is a deficient number, since it is larger than the sum of its proper divisors (6331186).

12662366 is an equidigital number, since it uses as much as digits as its factorization.

12662366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331185.

The product of its digits is 15552, while the sum is 32.

The square root of 12662366 is about 3558.4218412099. The cubic root of 12662366 is about 233.0799703390.

Adding to 12662366 its reverse (66326621), we get a palindrome (78988987).

The spelling of 12662366 in words is "twelve million, six hundred sixty-two thousand, three hundred sixty-six".