12851469 has 12 divisors (see below), whose sum is σ = 19065436. Its totient is φ = 8335872.

The previous prime is 12851417. The next prime is 12851479. The reversal of 12851469 is 96415821.

It can be written as a sum of positive squares in 2 ways, for example, as 10323369 + 2528100 = 3213^2 + 1590^2 .

It is not a de Polignac number, because 12851469 - 2¹³ = 12843277 is a prime.

It is a super-2 number, since 2×12851469² = 330320510915922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12851479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18964 + ... + 19629.

Almost surely, 2^12851469 is an apocalyptic number.

It is an amenable number.

12851469 is a deficient number, since it is larger than the sum of its proper divisors (6213967).

12851469 is a wasteful number, since it uses less digits than its factorization.

12851469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38636 (or 38633 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12851469 is about 3584.8945591189. The cubic root of 12851469 is about 234.2345336454.

The spelling of 12851469 in words is "twelve million, eight hundred fifty-one thousand, four hundred sixty-nine".