12277233 has 6 divisors (see below), whose sum is σ = 17733794. Its totient is φ = 8184816.

The previous prime is 12277219. The next prime is 12277241. The reversal of 12277233 is 33277221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10036224 + 2241009 = 3168^2 + 1497^2 .

It is not a de Polignac number, because 12277233 - 2⁶ = 12277169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12277197 and 12277206.

It is not an unprimeable number, because it can be changed into a prime (12277253) 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, 682060 + ... + 682077.

Almost surely, 2^12277233 is an apocalyptic number.

It is an amenable number.

12277233 is a deficient number, since it is larger than the sum of its proper divisors (5456561).

12277233 is a wasteful number, since it uses less digits than its factorization.

12277233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364143 (or 1364140 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 12277233 is about 3503.8882687666. Note that the first 3 decimals coincide. The cubic root of 12277233 is about 230.6925126778.

The spelling of 12277233 in words is "twelve million, two hundred seventy-seven thousand, two hundred thirty-three".