12542622 has 16 divisors (see below), whose sum is σ = 26405760. Its totient is φ = 3960792.

The previous prime is 12542611. The next prime is 12542639. The reversal of 12542622 is 22624521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12542592 and 12542601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54898 + ... + 55125.

It is an arithmetic number, because the mean of its divisors is an integer number (1650360).

Almost surely, 2^12542622 is an apocalyptic number.

12542622 is an abundant number, since it is smaller than the sum of its proper divisors (13863138).

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

12542622 is a wasteful number, since it uses less digits than its factorization.

12542622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110047.

The product of its digits is 1920, while the sum is 24.

The square root of 12542622 is about 3541.5564375003. The cubic root of 12542622 is about 232.3429208393.

The spelling of 12542622 in words is "twelve million, five hundred forty-two thousand, six hundred twenty-two".