12234681 has 12 divisors (see below), whose sum is σ = 17719780. Its totient is φ = 8134560.

The previous prime is 12234671. The next prime is 12234697. The reversal of 12234681 is 18643221.

It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 10989225 = 1116^2 + 3315^2 .

It is not a de Polignac number, because 12234681 - 2¹⁰ = 12233657 is a prime.

It is a super-2 number, since 2×12234681² = 299374838343522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12234631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2175 + ... + 5403.

Almost surely, 2^12234681 is an apocalyptic number.

It is an amenable number.

12234681 is a deficient number, since it is larger than the sum of its proper divisors (5485099).

12234681 is a wasteful number, since it uses less digits than its factorization.

12234681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3653 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 12234681 is about 3497.8108868262. The cubic root of 12234681 is about 230.4256829913.

The spelling of 12234681 in words is "twelve million, two hundred thirty-four thousand, six hundred eighty-one".