12719790 has 48 divisors (see below), whose sum is σ = 33508800. Its totient is φ = 3347136.

The previous prime is 12719789. The next prime is 12719803. The reversal of 12719790 is 9791721.

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 23 ways as a sum of consecutive naturals, for example, 6216 + ... + 8004.

It is an arithmetic number, because the mean of its divisors is an integer number (698100).

Almost surely, 2^12719790 is an apocalyptic number.

12719790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12719790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16754400).

12719790 is an abundant number, since it is smaller than the sum of its proper divisors (20789010).

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

12719790 is a wasteful number, since it uses less digits than its factorization.

12719790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 12719790 is about 3566.4814593658. The cubic root of 12719790 is about 233.4317793204.

The spelling of 12719790 in words is "twelve million, seven hundred nineteen thousand, seven hundred ninety".