12236881 has 4 divisors (see below), whose sum is σ = 12270592. Its totient is φ = 12203172.

The previous prime is 12236839. The next prime is 12236891. The reversal of 12236881 is 18863221.

12236881 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 12236881 - 2⁹ = 12236369 is a prime.

It is a super-2 number, since 2×12236881² = 299482513216322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12236891) 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, 16305 + ... + 17038.

It is an arithmetic number, because the mean of its divisors is an integer number (3067648).

Almost surely, 2^12236881 is an apocalyptic number.

It is an amenable number.

12236881 is a deficient number, since it is larger than the sum of its proper divisors (33711).

12236881 is an equidigital number, since it uses as much as digits as its factorization.

12236881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33710.

The product of its digits is 4608, while the sum is 31.

The square root of 12236881 is about 3498.1253551009. The cubic root of 12236881 is about 230.4394936257.

The spelling of 12236881 in words is "twelve million, two hundred thirty-six thousand, eight hundred eighty-one".