12036871 has 16 divisors (see below), whose sum is σ = 15095808. Its totient is φ = 9324000.

The previous prime is 12036863. The next prime is 12036881. The reversal of 12036871 is 17863021.

12036871 is a nontrivial binomial coefficient, being equal to C(4907, 2).

It is not a de Polignac number, because 12036871 - 2³ = 12036863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12036851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16821 + ... + 17521.

It is an arithmetic number, because the mean of its divisors is an integer number (943488).

Almost surely, 2^12036871 is an apocalyptic number.

12036871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12036871 is the 4906-th triangular number.

12036871 is the 1636-th centered nonagonal number.

12036871 is a deficient number, since it is larger than the sum of its proper divisors (3058937).

12036871 is a wasteful number, since it uses less digits than its factorization.

12036871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12036871 is about 3469.4194038773. The cubic root of 12036871 is about 229.1770907582.

Adding to 12036871 its reverse (17863021), we get a palindrome (29899892).

The spelling of 12036871 in words is "twelve million, thirty-six thousand, eight hundred seventy-one".