12742622 has 8 divisors (see below), whose sum is σ = 20238336. Its totient is φ = 5996512.

The previous prime is 12742589. The next prime is 12742627. The reversal of 12742622 is 22624721.

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 = 12742591 and 12742600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12742627) 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, 187358 + ... + 187425.

It is an arithmetic number, because the mean of its divisors is an integer number (2529792).

Almost surely, 2^12742622 is an apocalyptic number.

12742622 is a deficient number, since it is larger than the sum of its proper divisors (7495714).

12742622 is a wasteful number, since it uses less digits than its factorization.

12742622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374802.

The product of its digits is 2688, while the sum is 26.

The square root of 12742622 is about 3569.6809381232. The cubic root of 12742622 is about 233.5713657082.

The spelling of 12742622 in words is "twelve million, seven hundred forty-two thousand, six hundred twenty-two".