12203681 has 8 divisors (see below), whose sum is σ = 14681280. Its totient is φ = 9909648.

The previous prime is 12203663. The next prime is 12203687. The reversal of 12203681 is 18630221.

12203681 is nontrivially palindromic in base 11.

12203681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12203681 - 2⁶ = 12203617 is a prime.

It is a super-2 number, since 2×12203681² = 297859659899522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45746 + ... + 46011.

It is an arithmetic number, because the mean of its divisors is an integer number (1835160).

Almost surely, 2^12203681 is an apocalyptic number.

It is an amenable number.

12203681 is a deficient number, since it is larger than the sum of its proper divisors (2477599).

12203681 is an equidigital number, since it uses as much as digits as its factorization.

12203681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91783.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12203681 is about 3493.3767331910. The cubic root of 12203681 is about 230.2309023297.

The spelling of 12203681 in words is "twelve million, two hundred three thousand, six hundred eighty-one".