12906433 has 2 divisors, whose sum is σ = 12906434. Its totient is φ = 12906432.

The previous prime is 12906419. The next prime is 12906449. The reversal of 12906433 is 33460921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12902464 + 3969 = 3592^2 + 63^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12906433 is a prime.

It is not a weakly prime, because it can be changed into another prime (12906403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453216 + 6453217.

It is an arithmetic number, because the mean of its divisors is an integer number (6453217).

Almost surely, 2^12906433 is an apocalyptic number.

It is an amenable number.

12906433 is a deficient number, since it is larger than the sum of its proper divisors (1).

12906433 is an equidigital number, since it uses as much as digits as its factorization.

12906433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 12906433 is about 3592.5524352471. The cubic root of 12906433 is about 234.5679885543.

The spelling of 12906433 in words is "twelve million, nine hundred six thousand, four hundred thirty-three".