12421611 has 24 divisors (see below), whose sum is σ = 20002320. Its totient is φ = 7382016.

The previous prime is 12421601. The next prime is 12421621. The reversal of 12421611 is 11612421.

12421611 is a `hidden beast` number, since 12 + 42 + 1 + 611 = 666.

It is an interprime number because it is at equal distance from previous prime (12421601) and next prime (12421621).

It is not a de Polignac number, because 12421611 - 2⁵ = 12421579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12421601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 771 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (833430).

Almost surely, 2^12421611 is an apocalyptic number.

12421611 is a deficient number, since it is larger than the sum of its proper divisors (7580709).

12421611 is a wasteful number, since it uses less digits than its factorization.

12421611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315 (or 4312 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 12421611 is about 3524.4305923085. The cubic root of 12421611 is about 231.5932913482.

The spelling of 12421611 in words is "twelve million, four hundred twenty-one thousand, six hundred eleven".