12732422 has 8 divisors (see below), whose sum is σ = 20222136. Its totient is φ = 5991712.

The previous prime is 12732407. The next prime is 12732431. The reversal of 12732422 is 22423721.

It is a happy number.

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

It is a super-3 number, since 3×12732422³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187208 + ... + 187275.

It is an arithmetic number, because the mean of its divisors is an integer number (2527767).

Almost surely, 2^12732422 is an apocalyptic number.

12732422 is a deficient number, since it is larger than the sum of its proper divisors (7489714).

12732422 is a wasteful number, since it uses less digits than its factorization.

12732422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374502.

The product of its digits is 1344, while the sum is 23.

The square root of 12732422 is about 3568.2519529876. The cubic root of 12732422 is about 233.5090273110.

The spelling of 12732422 in words is "twelve million, seven hundred thirty-two thousand, four hundred twenty-two".