12036841 has 6 divisors (see below), whose sum is σ = 12300650. Its totient is φ = 11778576.

The previous prime is 12036809. The next prime is 12036847. The reversal of 12036841 is 14863021.

It can be written as a sum of positive squares in only one way, i.e., 7952400 + 4084441 = 2820^2 + 2021^2 .

It is not a de Polignac number, because 12036841 - 2⁵ = 12036809 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 (12036847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 516 + ... + 4933.

Almost surely, 2^12036841 is an apocalyptic number.

It is an amenable number.

12036841 is a deficient number, since it is larger than the sum of its proper divisors (263809).

12036841 is an frugal number, since it uses more digits than its factorization.

12036841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543 (or 5496 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12036841 is about 3469.4150803846. The cubic root of 12036841 is about 229.1769003621.

Adding to 12036841 its reverse (14863021), we get a palindrome (26899862).

It can be divided in two parts, 120368 and 41, that added together give a square (120409 = 347²).

The spelling of 12036841 in words is "twelve million, thirty-six thousand, eight hundred forty-one".