12421070 has 8 divisors (see below), whose sum is σ = 22357944. Its totient is φ = 4968424.

The previous prime is 12421061. The next prime is 12421099. The reversal of 12421070 is 7012421.

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

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, 621044 + ... + 621063.

It is an arithmetic number, because the mean of its divisors is an integer number (2794743).

Almost surely, 2^12421070 is an apocalyptic number.

12421070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12421070 is a deficient number, since it is larger than the sum of its proper divisors (9936874).

12421070 is a wasteful number, since it uses less digits than its factorization.

12421070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242114.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12421070 is about 3524.3538414864. The cubic root of 12421070 is about 231.5899290954.

Adding to 12421070 its reverse (7012421), we get a palindrome (19433491).

The spelling of 12421070 in words is "twelve million, four hundred twenty-one thousand, seventy".