12735798 has 8 divisors (see below), whose sum is σ = 25471608. Its totient is φ = 4245264.

The previous prime is 12735787. The next prime is 12735841. The reversal of 12735798 is 89753721.

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

12735798 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061311 + ... + 1061322.

It is an arithmetic number, because the mean of its divisors is an integer number (3183951).

Almost surely, 2^12735798 is an apocalyptic number.

12735798 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.

12735798 is a wasteful number, since it uses less digits than its factorization.

12735798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122638.

The product of its digits is 105840, while the sum is 42.

The square root of 12735798 is about 3568.7249823992. The cubic root of 12735798 is about 233.5296637830.

The spelling of 12735798 in words is "twelve million, seven hundred thirty-five thousand, seven hundred ninety-eight".