12262340 has 24 divisors (see below), whose sum is σ = 26138112. Its totient is φ = 4831200.

The previous prime is 12262333. The next prime is 12262351. The reversal of 12262340 is 4326221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a plaindrome in base 15.

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, 3236 + ... + 5915.

It is an arithmetic number, because the mean of its divisors is an integer number (1089088).

Almost surely, 2^12262340 is an apocalyptic number.

12262340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12262340 is an abundant number, since it is smaller than the sum of its proper divisors (13875772).

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

12262340 is a wasteful number, since it uses less digits than its factorization.

12262340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227 (or 9225 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 12262340 is about 3501.7624134141. The cubic root of 12262340 is about 230.5991937743.

Adding to 12262340 its reverse (4326221), we get a palindrome (16588561).

The spelling of 12262340 in words is "twelve million, two hundred sixty-two thousand, three hundred forty".