12982306 has 4 divisors (see below), whose sum is σ = 19473462. Its totient is φ = 6491152.

The previous prime is 12982303. The next prime is 12982309. The reversal of 12982306 is 60328921.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12982303) and next prime (12982309).

It can be written as a sum of positive squares in only one way, i.e., 12895281 + 87025 = 3591^2 + 295^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12982303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245575 + ... + 3245578.

Almost surely, 2^12982306 is an apocalyptic number.

12982306 is a deficient number, since it is larger than the sum of its proper divisors (6491156).

12982306 is an equidigital number, since it uses as much as digits as its factorization.

12982306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491155.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12982306 is about 3603.0967236531. The cubic root of 12982306 is about 235.0267420903.

The spelling of 12982306 in words is "twelve million, nine hundred eighty-two thousand, three hundred six".