12140822 has 8 divisors (see below), whose sum is σ = 19282536. Its totient is φ = 5713312.

The previous prime is 12140813. The next prime is 12140827. The reversal of 12140822 is 22804121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12140794 and 12140803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178508 + ... + 178575.

It is an arithmetic number, because the mean of its divisors is an integer number (2410317).

Almost surely, 2^12140822 is an apocalyptic number.

12140822 is a deficient number, since it is larger than the sum of its proper divisors (7141714).

12140822 is a wasteful number, since it uses less digits than its factorization.

12140822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357102.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 12140822 is about 3484.3682354194. The cubic root of 12140822 is about 229.8349288156.

Adding to 12140822 its reverse (22804121), we get a palindrome (34944943).

The spelling of 12140822 in words is "twelve million, one hundred forty thousand, eight hundred twenty-two".