12290530 has 32 divisors (see below), whose sum is σ = 26616960. Its totient is φ = 3991680.

The previous prime is 12290521. The next prime is 12290567. The reversal of 12290530 is 3509221.

It is an unprimeable number.

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, 3291 + ... + 5950.

It is an arithmetic number, because the mean of its divisors is an integer number (831780).

Almost surely, 2^12290530 is an apocalyptic number.

12290530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12290530 is an abundant number, since it is smaller than the sum of its proper divisors (14326430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12290530 is a wasteful number, since it uses less digits than its factorization.

12290530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9274.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 12290530 is about 3505.7852187491. The cubic root of 12290530 is about 230.7757673647.

Adding to 12290530 its reverse (3509221), we get a palindrome (15799751).

The spelling of 12290530 in words is "twelve million, two hundred ninety thousand, five hundred thirty".