12711620 has 24 divisors (see below), whose sum is σ = 27264384. Its totient is φ = 4976096.

The previous prime is 12711619. The next prime is 12711649. The reversal of 12711620 is 2611721.

12711620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12711592 and 12711601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5822 + ... + 7701.

It is an arithmetic number, because the mean of its divisors is an integer number (1136016).

Almost surely, 2^12711620 is an apocalyptic number.

12711620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12711620 is an abundant number, since it is smaller than the sum of its proper divisors (14552764).

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

12711620 is a wasteful number, since it uses less digits than its factorization.

12711620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13579 (or 13577 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 12711620 is about 3565.3358888049. The cubic root of 12711620 is about 233.3817903896.

It can be divided in two parts, 12711 and 620, that added together give a palindrome (13331).

The spelling of 12711620 in words is "twelve million, seven hundred eleven thousand, six hundred twenty".