12523261 has 8 divisors (see below), whose sum is σ = 13214880. Its totient is φ = 11834928.

The previous prime is 12523253. The next prime is 12523283. The reversal of 12523261 is 16232521.

12523261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12523261 - 2³ = 12523253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14730 + ... + 15556.

It is an arithmetic number, because the mean of its divisors is an integer number (1651860).

Almost surely, 2^12523261 is an apocalyptic number.

It is an amenable number.

12523261 is a deficient number, since it is larger than the sum of its proper divisors (691619).

12523261 is an equidigital number, since it uses as much as digits as its factorization.

12523261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643.

The product of its digits is 720, while the sum is 22.

The square root of 12523261 is about 3538.8219791337. The cubic root of 12523261 is about 232.2233098075.

Adding to 12523261 its reverse (16232521), we get a palindrome (28755782).

The spelling of 12523261 in words is "twelve million, five hundred twenty-three thousand, two hundred sixty-one".