12671433 has 6 divisors (see below), whose sum is σ = 18303194. Its totient is φ = 8447616.

The previous prime is 12671431. The next prime is 12671437. The reversal of 12671433 is 33417621.

It can be written as a sum of positive squares in only one way, i.e., 8311689 + 4359744 = 2883^2 + 2088^2 .

It is not a de Polignac number, because 12671433 - 2¹ = 12671431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12671397 and 12671406.

It is not an unprimeable number, because it can be changed into a prime (12671431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 703960 + ... + 703977.

Almost surely, 2^12671433 is an apocalyptic number.

It is an amenable number.

12671433 is a deficient number, since it is larger than the sum of its proper divisors (5631761).

12671433 is a wasteful number, since it uses less digits than its factorization.

12671433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407943 (or 1407940 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 12671433 is about 3559.6956330563. The cubic root of 12671433 is about 233.1355900620.

The spelling of 12671433 in words is "twelve million, six hundred seventy-one thousand, four hundred thirty-three".