12861033 has 16 divisors (see below), whose sum is σ = 17853696. Its totient is φ = 8228480.

The previous prime is 12861029. The next prime is 12861041. The reversal of 12861033 is 33016821.

12861033 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12861033 - 2² = 12861029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12860994 and 12861012.

It is not an unprimeable number, because it can be changed into a prime (12860033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6613 + ... + 8333.

It is an arithmetic number, because the mean of its divisors is an integer number (1115856).

Almost surely, 2^12861033 is an apocalyptic number.

It is an amenable number.

12861033 is a deficient number, since it is larger than the sum of its proper divisors (4992663).

12861033 is a wasteful number, since it uses less digits than its factorization.

12861033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12861033 is about 3586.2282414816. The cubic root of 12861033 is about 234.2926246333.

Adding to 12861033 its reverse (33016821), we get a palindrome (45877854).

The spelling of 12861033 in words is "twelve million, eight hundred sixty-one thousand, thirty-three".