12858233 has 2 divisors, whose sum is σ = 12858234. Its totient is φ = 12858232.

The previous prime is 12858229. The next prime is 12858257. The reversal of 12858233 is 33285821.

12858233 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 can be written as a sum of positive squares in only one way, i.e., 11505664 + 1352569 = 3392^2 + 1163^2 .

It is an emirp because it is prime and its reverse (33285821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12858233 - 2² = 12858229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12858233.

It is not a weakly prime, because it can be changed into another prime (12858533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6429116 + 6429117.

It is an arithmetic number, because the mean of its divisors is an integer number (6429117).

Almost surely, 2^12858233 is an apocalyptic number.

It is an amenable number.

12858233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12858233 is an equidigital number, since it uses as much as digits as its factorization.

12858233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 12858233 is about 3585.8378379397. The cubic root of 12858233 is about 234.2756206347.

The spelling of 12858233 in words is "twelve million, eight hundred fifty-eight thousand, two hundred thirty-three".