12862469 has 2 divisors, whose sum is σ = 12862470. Its totient is φ = 12862468.

The previous prime is 12862463. The next prime is 12862477. The reversal of 12862469 is 96426821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11937025 + 925444 = 3455^2 + 962^2 .

It is a cyclic number.

It is not a de Polignac number, because 12862469 - 2⁴ = 12862453 is a prime.

It is a super-2 number, since 2×12862469² = 330886217551922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12862463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431234 + 6431235.

It is an arithmetic number, because the mean of its divisors is an integer number (6431235).

Almost surely, 2^12862469 is an apocalyptic number.

It is an amenable number.

12862469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12862469 is an equidigital number, since it uses as much as digits as its factorization.

12862469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 12862469 is about 3586.4284462401. The cubic root of 12862469 is about 234.3013442980.

It can be divided in two parts, 12862 and 469, that added together give a palindrome (13331).

The spelling of 12862469 in words is "twelve million, eight hundred sixty-two thousand, four hundred sixty-nine".