12651798 has 16 divisors (see below), whose sum is σ = 25396416. Its totient is φ = 4201800.

The previous prime is 12651797. The next prime is 12651803. The reversal of 12651798 is 89715621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12651797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (1587276).

Almost surely, 2^12651798 is an apocalyptic number.

12651798 is an abundant number, since it is smaller than the sum of its proper divisors (12744618).

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

12651798 is a wasteful number, since it uses less digits than its factorization.

12651798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7739.

The product of its digits is 30240, while the sum is 39.

The square root of 12651798 is about 3556.9366033147. The cubic root of 12651798 is about 233.0151095091.

The spelling of 12651798 in words is "twelve million, six hundred fifty-one thousand, seven hundred ninety-eight".