12812041 has 4 divisors (see below), whose sum is σ = 13976784. Its totient is φ = 11647300.

The previous prime is 12811993. The next prime is 12812057. The reversal of 12812041 is 14021821.

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 a cyclic number.

It is not a de Polignac number, because 12812041 - 2²¹ = 10714889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12812071) 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, 582355 + ... + 582376.

It is an arithmetic number, because the mean of its divisors is an integer number (3494196).

Almost surely, 2^12812041 is an apocalyptic number.

12812041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12812041 is a deficient number, since it is larger than the sum of its proper divisors (1164743).

12812041 is a wasteful number, since it uses less digits than its factorization.

12812041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164742.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 12812041 is about 3579.3911493437. The cubic root of 12812041 is about 233.9947462721.

Adding to 12812041 its reverse (14021821), we get a palindrome (26833862).

The spelling of 12812041 in words is "twelve million, eight hundred twelve thousand, forty-one".