12386261 has 4 divisors (see below), whose sum is σ = 12393612. Its totient is φ = 12378912.

The previous prime is 12386249. The next prime is 12386273. The reversal of 12386261 is 16268321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (12386249) and next prime (12386273).

It can be written as a sum of positive squares in 2 ways, for example, as 7896100 + 4490161 = 2810^2 + 2119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12386261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12386291) 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, 251 + ... + 4983.

It is an arithmetic number, because the mean of its divisors is an integer number (3098403).

Almost surely, 2^12386261 is an apocalyptic number.

It is an amenable number.

12386261 is a deficient number, since it is larger than the sum of its proper divisors (7351).

12386261 is an equidigital number, since it uses as much as digits as its factorization.

12386261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350.

The product of its digits is 3456, while the sum is 29.

The square root of 12386261 is about 3519.4120247564. The cubic root of 12386261 is about 231.3733896167.

The spelling of 12386261 in words is "twelve million, three hundred eighty-six thousand, two hundred sixty-one".