12272523 has 4 divisors (see below), whose sum is σ = 16363368. Its totient is φ = 8181680.

The previous prime is 12272483. The next prime is 12272549. The reversal of 12272523 is 32527221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12272523 - 2¹⁰ = 12271499 is a prime.

It is a super-2 number, since 2×12272523² = 301229641571058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12272493 and 12272502.

It is not an unprimeable number, because it can be changed into a prime (12272023) 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, 2045418 + ... + 2045423.

It is an arithmetic number, because the mean of its divisors is an integer number (4090842).

Almost surely, 2^12272523 is an apocalyptic number.

12272523 is a deficient number, since it is larger than the sum of its proper divisors (4090845).

12272523 is an equidigital number, since it uses as much as digits as its factorization.

12272523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090844.

The product of its digits is 1680, while the sum is 24.

The square root of 12272523 is about 3503.2160938201. The cubic root of 12272523 is about 230.6630081818.

Adding to 12272523 its reverse (32527221), we get a palindrome (44799744).

The spelling of 12272523 in words is "twelve million, two hundred seventy-two thousand, five hundred twenty-three".