12421733 has 8 divisors (see below), whose sum is σ = 12665952. Its totient is φ = 12179376.

The previous prime is 12421727. The next prime is 12421757. The reversal of 12421733 is 33712421.

12421733 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12421733 - 2¹² = 12417637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12421699 and 12421708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421333) 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, 26366 + ... + 26832.

It is an arithmetic number, because the mean of its divisors is an integer number (1583244).

Almost surely, 2^12421733 is an apocalyptic number.

It is an amenable number.

12421733 is a deficient number, since it is larger than the sum of its proper divisors (244219).

12421733 is an equidigital number, since it uses as much as digits as its factorization.

12421733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its digits is 1008, while the sum is 23.

The square root of 12421733 is about 3524.4479000263. The cubic root of 12421733 is about 231.5940495507.

The spelling of 12421733 in words is "twelve million, four hundred twenty-one thousand, seven hundred thirty-three".