12498421 has 8 divisors (see below), whose sum is σ = 13551104. Its totient is φ = 11458800.

The previous prime is 12498413. The next prime is 12498427. The reversal of 12498421 is 12489421.

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 12498421 - 2³ = 12498413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12498427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221 + ... + 5146.

It is an arithmetic number, because the mean of its divisors is an integer number (1693888).

Almost surely, 2^12498421 is an apocalyptic number.

It is an amenable number.

12498421 is a deficient number, since it is larger than the sum of its proper divisors (1052683).

12498421 is a wasteful number, since it uses less digits than its factorization.

12498421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531.

The product of its digits is 4608, while the sum is 31.

The square root of 12498421 is about 3535.3105945588. The cubic root of 12498421 is about 232.0696691774.

The spelling of 12498421 in words is "twelve million, four hundred ninety-eight thousand, four hundred twenty-one".