12789850 has 24 divisors (see below), whose sum is σ = 25043040. Its totient is φ = 4846320.

The previous prime is 12789823. The next prime is 12789857. The reversal of 12789850 is 5898721.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12789857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5782 + ... + 7681.

It is an arithmetic number, because the mean of its divisors is an integer number (1043460).

Almost surely, 2^12789850 is an apocalyptic number.

12789850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12789850 is a deficient number, since it is larger than the sum of its proper divisors (12253190).

12789850 is a wasteful number, since it uses less digits than its factorization.

12789850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13494 (or 13489 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 12789850 is about 3576.2899770572. The cubic root of 12789850 is about 233.8595719148.

The spelling of 12789850 in words is "twelve million, seven hundred eighty-nine thousand, eight hundred fifty".