12290830 has 32 divisors (see below), whose sum is σ = 23607936. Its totient is φ = 4591104.

The previous prime is 12290801. The next prime is 12290833. The reversal of 12290830 is 3809221.

It is a junction number, because it is equal to n+sod(n) for n = 12290795 and 12290804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33307 + ... + 33673.

It is an arithmetic number, because the mean of its divisors is an integer number (737748).

Almost surely, 2^12290830 is an apocalyptic number.

12290830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12290830 is a deficient number, since it is larger than the sum of its proper divisors (11317106).

12290830 is a wasteful number, since it uses less digits than its factorization.

12290830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12290830 is about 3505.8280049084. The cubic root of 12290830 is about 230.7776450208. Note that the first 3 decimals are identical.

The spelling of 12290830 in words is "twelve million, two hundred ninety thousand, eight hundred thirty".