12890229 has 16 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 7762160.

The previous prime is 12890219. The next prime is 12890243. The reversal of 12890229 is 92209821.

It is a happy number.

It is not a de Polignac number, because 12890229 - 2⁸ = 12889973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 12890229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12890209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4342 + ... + 6680.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^12890229 is an apocalyptic number.

It is an amenable number.

12890229 is a deficient number, since it is larger than the sum of its proper divisors (5979531).

12890229 is a wasteful number, since it uses less digits than its factorization.

12890229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 12890229 is about 3590.2965058613. The cubic root of 12890229 is about 234.4697809011.

The spelling of 12890229 in words is "twelve million, eight hundred ninety thousand, two hundred twenty-nine".