12709620 has 216 divisors, whose sum is σ = 49297248. Its totient is φ = 2620800.

The previous prime is 12709607. The next prime is 12709633. The reversal of 12709620 is 2690721.

It is an interprime number because it is at equal distance from previous prime (12709607) and next prime (12709633).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 96955 + ... + 97085.

It is an arithmetic number, because the mean of its divisors is an integer number (228228).

Almost surely, 2^12709620 is an apocalyptic number.

12709620 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 12709620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24648624).

12709620 is an abundant number, since it is smaller than the sum of its proper divisors (36587628).

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

12709620 is a wasteful number, since it uses less digits than its factorization.

12709620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12709620 is about 3565.0553992890. The cubic root of 12709620 is about 233.3695499339.

The spelling of 12709620 in words is "twelve million, seven hundred nine thousand, six hundred twenty".