12719660 has 12 divisors (see below), whose sum is σ = 26711328. Its totient is φ = 5087856.

The previous prime is 12719653. The next prime is 12719671. The reversal of 12719660 is 6691721.

It is a happy 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, 317972 + ... + 318011.

It is an arithmetic number, because the mean of its divisors is an integer number (2225944).

Almost surely, 2^12719660 is an apocalyptic number.

12719660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12719660 is an abundant number, since it is smaller than the sum of its proper divisors (13991668).

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

12719660 is a wasteful number, since it uses less digits than its factorization.

12719660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635992 (or 635990 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 12719660 is about 3566.4632340738. The cubic root of 12719660 is about 233.4309840705.

The spelling of 12719660 in words is "twelve million, seven hundred nineteen thousand, six hundred sixty".