12961798 has 8 divisors (see below), whose sum is σ = 19469160. Its totient is φ = 6472080.

The previous prime is 12961789. The next prime is 12961841. The reversal of 12961798 is 89716921.

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

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, 2388 + ... + 5623.

It is an arithmetic number, because the mean of its divisors is an integer number (2433645).

Almost surely, 2^12961798 is an apocalyptic number.

12961798 is a deficient number, since it is larger than the sum of its proper divisors (6507362).

12961798 is an equidigital number, since it uses as much as digits as its factorization.

12961798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822.

The product of its digits is 54432, while the sum is 43.

The square root of 12961798 is about 3600.2497135615. The cubic root of 12961798 is about 234.9029205172.

The spelling of 12961798 in words is "twelve million, nine hundred sixty-one thousand, seven hundred ninety-eight".