12542822 has 8 divisors (see below), whose sum is σ = 18856776. Its totient is φ = 6257232.

The previous prime is 12542813. The next prime is 12542833. The reversal of 12542822 is 22824521.

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 = 12542791 and 12542800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5948 + ... + 7775.

It is an arithmetic number, because the mean of its divisors is an integer number (2357097).

Almost surely, 2^12542822 is an apocalyptic number.

12542822 is a deficient number, since it is larger than the sum of its proper divisors (6313954).

12542822 is a wasteful number, since it uses less digits than its factorization.

12542822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14182.

The product of its digits is 2560, while the sum is 26.

The square root of 12542822 is about 3541.5846735607. The cubic root of 12542822 is about 232.3441557841.

The spelling of 12542822 in words is "twelve million, five hundred forty-two thousand, eight hundred twenty-two".