12627421 has 8 divisors (see below), whose sum is σ = 12870144. Its totient is φ = 12386640.

The previous prime is 12627401. The next prime is 12627431. The reversal of 12627421 is 12472621.

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

It is a cyclic number.

It is not a de Polignac number, because 12627421 - 2⁹ = 12626909 is a prime.

It is a super-2 number, since 2×12627421² = 318903522222482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12627401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20500 + ... + 21106.

It is an arithmetic number, because the mean of its divisors is an integer number (1608768).

Almost surely, 2^12627421 is an apocalyptic number.

It is an amenable number.

12627421 is a deficient number, since it is larger than the sum of its proper divisors (242723).

12627421 is an equidigital number, since it uses as much as digits as its factorization.

12627421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its digits is 1344, while the sum is 25.

The square root of 12627421 is about 3553.5082664882. The cubic root of 12627421 is about 232.8653584257.

The spelling of 12627421 in words is "twelve million, six hundred twenty-seven thousand, four hundred twenty-one".