12903211 has 2 divisors, whose sum is σ = 12903212. Its totient is φ = 12903210.

The previous prime is 12903197. The next prime is 12903227. The reversal of 12903211 is 11230921.

12903211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12903211 - 2⁵ = 12903179 is a prime.

It is a super-2 number, since 2×12903211² = 332985708221042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12903281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6451605 + 6451606.

It is an arithmetic number, because the mean of its divisors is an integer number (6451606).

Almost surely, 2^12903211 is an apocalyptic number.

12903211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12903211 is an equidigital number, since it uses as much as digits as its factorization.

12903211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12903211 is about 3592.1039795641. The cubic root of 12903211 is about 234.5484675150.

The spelling of 12903211 in words is "twelve million, nine hundred three thousand, two hundred eleven".