12620422 has 8 divisors (see below), whose sum is σ = 19753776. Its totient is φ = 6035832.

The previous prime is 12620417. The next prime is 12620437. The reversal of 12620422 is 22402621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12620422.

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, 137133 + ... + 137224.

It is an arithmetic number, because the mean of its divisors is an integer number (2469222).

Almost surely, 2^12620422 is an apocalyptic number.

12620422 is a deficient number, since it is larger than the sum of its proper divisors (7133354).

12620422 is a wasteful number, since it uses less digits than its factorization.

12620422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274382.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 12620422 is about 3552.5233285652. The cubic root of 12620422 is about 232.8223270509.

The spelling of 12620422 in words is "twelve million, six hundred twenty thousand, four hundred twenty-two".