12909833 has 2 divisors, whose sum is σ = 12909834. Its totient is φ = 12909832.

The previous prime is 12909773. The next prime is 12909839. The reversal of 12909833 is 33890921.

12909833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12866569 + 43264 = 3587^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 12909833 - 2⁶ = 12909769 is a prime.

It is equal to p₈₄₃₇₇₆ and since 12909833 and 843776 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 12909793 and 12909802.

It is not a weakly prime, because it can be changed into another prime (12909839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6454916 + 6454917.

It is an arithmetic number, because the mean of its divisors is an integer number (6454917).

Almost surely, 2^12909833 is an apocalyptic number.

It is an amenable number.

12909833 is a deficient number, since it is larger than the sum of its proper divisors (1).

12909833 is an equidigital number, since it uses as much as digits as its factorization.

12909833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 12909833 is about 3593.0256052525. The cubic root of 12909833 is about 234.5885845145.

The spelling of 12909833 in words is "twelve million, nine hundred nine thousand, eight hundred thirty-three".