12536427 has 4 divisors (see below), whose sum is σ = 16715240. Its totient is φ = 8357616.

The previous prime is 12536411. The next prime is 12536467. The reversal of 12536427 is 72463521.

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

It is not a de Polignac number, because 12536427 - 2⁴ = 12536411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12536394 and 12536403.

It is not an unprimeable number, because it can be changed into a prime (12536467) 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, 2089402 + ... + 2089407.

It is an arithmetic number, because the mean of its divisors is an integer number (4178810).

Almost surely, 2^12536427 is an apocalyptic number.

12536427 is a deficient number, since it is larger than the sum of its proper divisors (4178813).

12536427 is an equidigital number, since it uses as much as digits as its factorization.

12536427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178812.

The product of its digits is 10080, while the sum is 30.

The square root of 12536427 is about 3540.6817140206. The cubic root of 12536427 is about 232.3046619214.

Adding to 12536427 its reverse (72463521), we get a palindrome (84999948).

The spelling of 12536427 in words is "twelve million, five hundred thirty-six thousand, four hundred twenty-seven".