12810523 has 4 divisors (see below), whose sum is σ = 13975128. Its totient is φ = 11645920.

The previous prime is 12810521. The next prime is 12810527. The reversal of 12810523 is 32501821.

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

It is not a de Polignac number, because 12810523 - 2¹ = 12810521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12810494 and 12810503.

It is not an unprimeable number, because it can be changed into a prime (12810521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582286 + ... + 582307.

It is an arithmetic number, because the mean of its divisors is an integer number (3493782).

Almost surely, 2^12810523 is an apocalyptic number.

12810523 is a deficient number, since it is larger than the sum of its proper divisors (1164605).

12810523 is a wasteful number, since it uses less digits than its factorization.

12810523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164604.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12810523 is about 3579.1790958263. The cubic root of 12810523 is about 233.9855044957.

It can be divided in two parts, 12810 and 523, that multiplied together give a triangular number (6699630 = T₃₆₆₀).

The spelling of 12810523 in words is "twelve million, eight hundred ten thousand, five hundred twenty-three".