12421088 has 12 divisors (see below), whose sum is σ = 24454080. Its totient is φ = 6210528.

The previous prime is 12421061. The next prime is 12421099. The reversal of 12421088 is 88012421.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 194048 + ... + 194111.

It is an arithmetic number, because the mean of its divisors is an integer number (2037840).

Almost surely, 2^12421088 is an apocalyptic number.

It is an amenable number.

12421088 is a deficient number, since it is larger than the sum of its proper divisors (12032992).

12421088 is an equidigital number, since it uses as much as digits as its factorization.

12421088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388169 (or 388161 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 12421088 is about 3524.3563951451. The cubic root of 12421088 is about 231.5900409649.

It can be divided in two parts, 124 and 21088, that added together give a palindrome (21212).

The spelling of 12421088 in words is "twelve million, four hundred twenty-one thousand, eighty-eight".