12862466 has 4 divisors (see below), whose sum is σ = 19293702. Its totient is φ = 6431232.

The previous prime is 12862463. The next prime is 12862469. The reversal of 12862466 is 66426821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66426821 = 5879 ⋅11299.

It is an interprime number because it is at equal distance from previous prime (12862463) and next prime (12862469).

It can be written as a sum of positive squares in only one way, i.e., 9517225 + 3345241 = 3085^2 + 1829^2 .

It is not an unprimeable number, because it can be changed into a prime (12862463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215615 + ... + 3215618.

Almost surely, 2^12862466 is an apocalyptic number.

12862466 is a deficient number, since it is larger than the sum of its proper divisors (6431236).

12862466 is an equidigital number, since it uses as much as digits as its factorization.

12862466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6431235.

The product of its digits is 27648, while the sum is 35.

The square root of 12862466 is about 3586.4280279967. The cubic root of 12862466 is about 234.3013260821.

The spelling of 12862466 in words is "twelve million, eight hundred sixty-two thousand, four hundred sixty-six".