12497838 has 8 divisors (see below), whose sum is σ = 24995688. Its totient is φ = 4165944.

The previous prime is 12497827. The next prime is 12497843. The reversal of 12497838 is 83879421.

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

12497838 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12497838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041481 + ... + 1041492.

It is an arithmetic number, because the mean of its divisors is an integer number (3124461).

Almost surely, 2^12497838 is an apocalyptic number.

12497838 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.

12497838 is a wasteful number, since it uses less digits than its factorization.

12497838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082978.

The product of its digits is 96768, while the sum is 42.

The square root of 12497838 is about 3535.2281397387. The cubic root of 12497838 is about 232.0660607557.

The spelling of 12497838 in words is "twelve million, four hundred ninety-seven thousand, eight hundred thirty-eight".