12890733 has 16 divisors (see below), whose sum is σ = 17756160. Its totient is φ = 8314416.

The previous prime is 12890729. The next prime is 12890753. The reversal of 12890733 is 33709821.

12890733 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 not a de Polignac number, because 12890733 - 2² = 12890729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12890694 and 12890703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12890723) 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, 11316 + ... + 12402.

It is an arithmetic number, because the mean of its divisors is an integer number (1109760).

Almost surely, 2^12890733 is an apocalyptic number.

It is an amenable number.

12890733 is a deficient number, since it is larger than the sum of its proper divisors (4865427).

12890733 is a wasteful number, since it uses less digits than its factorization.

12890733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 12890733 is about 3590.3666943642. The cubic root of 12890733 is about 234.4728367359.

The spelling of 12890733 in words is "twelve million, eight hundred ninety thousand, seven hundred thirty-three".