12719220 has 48 divisors (see below), whose sum is σ = 36227520. Its totient is φ = 3333376.

The previous prime is 12719209. The next prime is 12719243. The reversal of 12719220 is 2291721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1744 + ... + 5336.

It is an arithmetic number, because the mean of its divisors is an integer number (754740).

Almost surely, 2^12719220 is an apocalyptic number.

12719220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12719220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18113760).

12719220 is an abundant number, since it is smaller than the sum of its proper divisors (23508300).

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

12719220 is a wasteful number, since it uses less digits than its factorization.

12719220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664 (or 3662 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12719220 is about 3566.4015477789. The cubic root of 12719220 is about 233.4282924153.

The spelling of 12719220 in words is "twelve million, seven hundred nineteen thousand, two hundred twenty".