12290532 has 24 divisors (see below), whose sum is σ = 28854336. Its totient is φ = 4071648.

The previous prime is 12290521. The next prime is 12290567. The reversal of 12290532 is 23509221.

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 7 ways as a sum of consecutive naturals, for example, 1063 + ... + 5070.

It is an arithmetic number, because the mean of its divisors is an integer number (1202264).

Almost surely, 2^12290532 is an apocalyptic number.

12290532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12290532 is an abundant number, since it is smaller than the sum of its proper divisors (16563804).

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

12290532 is a wasteful number, since it uses less digits than its factorization.

12290532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6307 (or 6305 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12290532 is about 3505.7855039919. The cubic root of 12290532 is about 230.7757798825.

Adding to 12290532 its reverse (23509221), we get a palindrome (35799753).

The spelling of 12290532 in words is "twelve million, two hundred ninety thousand, five hundred thirty-two".