12641422 has 16 divisors (see below), whose sum is σ = 20217600. Its totient is φ = 5910840.

The previous prime is 12641411. The next prime is 12641429. The reversal of 12641422 is 22414621.

It is a happy number.

12641422 is a modest number, since divided by 1422 gives 1264 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12641393 and 12641402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897 + ... + 5107.

It is an arithmetic number, because the mean of its divisors is an integer number (1263600).

Almost surely, 2^12641422 is an apocalyptic number.

12641422 is a deficient number, since it is larger than the sum of its proper divisors (7576178).

12641422 is a wasteful number, since it uses less digits than its factorization.

12641422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311.

The product of its digits is 768, while the sum is 22.

The square root of 12641422 is about 3555.4777456764. The cubic root of 12641422 is about 232.9513919244.

The spelling of 12641422 in words is "twelve million, six hundred forty-one thousand, four hundred twenty-two".