12636041 has 4 divisors (see below), whose sum is σ = 13784784. Its totient is φ = 11487300.

The previous prime is 12636037. The next prime is 12636053. The reversal of 12636041 is 14063621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12636041 - 2² = 12636037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12635998 and 12636016.

It is not an unprimeable number, because it can be changed into a prime (12636031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574355 + ... + 574376.

It is an arithmetic number, because the mean of its divisors is an integer number (3446196).

Almost surely, 2^12636041 is an apocalyptic number.

12636041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12636041 is a deficient number, since it is larger than the sum of its proper divisors (1148743).

12636041 is a wasteful number, since it uses less digits than its factorization.

12636041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148742.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12636041 is about 3554.7209454471. The cubic root of 12636041 is about 232.9183342157.

Adding to 12636041 its reverse (14063621), we get a palindrome (26699662).

The spelling of 12636041 in words is "twelve million, six hundred thirty-six thousand, forty-one".