12775432 has 16 divisors (see below), whose sum is σ = 25363260. Its totient is φ = 6011904.

The previous prime is 12775421. The next prime is 12775463. The reversal of 12775432 is 23457721.

It can be written as a sum of positive squares in 2 ways, for example, as 10719076 + 2056356 = 3274^2 + 1434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12775394 and 12775403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46833 + ... + 47104.

Almost surely, 2^12775432 is an apocalyptic number.

It is an amenable number.

12775432 is a deficient number, since it is larger than the sum of its proper divisors (12587828).

12775432 is a wasteful number, since it uses less digits than its factorization.

12775432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93960 (or 93956 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 12775432 is about 3574.2736325021. The cubic root of 12775432 is about 233.7716622284.

The spelling of 12775432 in words is "twelve million, seven hundred seventy-five thousand, four hundred thirty-two".