12421054 has 8 divisors (see below), whose sum is σ = 18739800. Its totient is φ = 6174456.

The previous prime is 12421051. The next prime is 12421061. The reversal of 12421054 is 45012421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17604 + ... + 18295.

It is an arithmetic number, because the mean of its divisors is an integer number (2342475).

Almost surely, 2^12421054 is an apocalyptic number.

12421054 is a deficient number, since it is larger than the sum of its proper divisors (6318746).

12421054 is a wasteful number, since it uses less digits than its factorization.

12421054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36074.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 12421054 is about 3524.3515715660. The cubic root of 12421054 is about 231.5898296557.

Adding to 12421054 its reverse (45012421), we get a palindrome (57433475).

The spelling of 12421054 in words is "twelve million, four hundred twenty-one thousand, fifty-four".