12811514 has 8 divisors (see below), whose sum is σ = 19340148. Its totient is φ = 6364800.

The previous prime is 12811511. The next prime is 12811541. The reversal of 12811514 is 41511821.

It can be written as a sum of positive squares in 2 ways, for example, as 12369289 + 442225 = 3517^2 + 665^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12811514.

It is not an unprimeable number, because it can be changed into a prime (12811511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20087 + ... + 20714.

Almost surely, 2^12811514 is an apocalyptic number.

12811514 is a deficient number, since it is larger than the sum of its proper divisors (6528634).

12811514 is a wasteful number, since it uses less digits than its factorization.

12811514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40960.

The product of its digits is 320, while the sum is 23.

The square root of 12811514 is about 3579.3175327149. The cubic root of 12811514 is about 233.9915379120.

The spelling of 12811514 in words is "twelve million, eight hundred eleven thousand, five hundred fourteen".