12498438 has 8 divisors (see below), whose sum is σ = 24996888. Its totient is φ = 4166144.

The previous prime is 12498433. The next prime is 12498443. The reversal of 12498438 is 83489421.

It is an interprime number because it is at equal distance from previous prime (12498433) and next prime (12498443).

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

12498438 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12498396 and 12498405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12498433) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1041531 + ... + 1041542.

It is an arithmetic number, because the mean of its divisors is an integer number (3124611).

Almost surely, 2^12498438 is an apocalyptic number.

12498438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12498438 is a wasteful number, since it uses less digits than its factorization.

12498438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083078.

The product of its digits is 55296, while the sum is 39.

The square root of 12498438 is about 3535.3129988729. The cubic root of 12498438 is about 232.0697743956.

The spelling of 12498438 in words is "twelve million, four hundred ninety-eight thousand, four hundred thirty-eight".