9712420 has 48 divisors (see below), whose sum is σ = 21873600. Its totient is φ = 3611520.

The previous prime is 9712399. The next prime is 9712421. The reversal of 9712420 is 242179.

It is a super-2 number, since 2×9712420² = 188662204512800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9712421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22971 + ... + 23389.

It is an arithmetic number, because the mean of its divisors is an integer number (455700).

Almost surely, 2^9712420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9712420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10936800).

9712420 is an abundant number, since it is smaller than the sum of its proper divisors (12161180).

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

9712420 is a wasteful number, since it uses less digits than its factorization.

9712420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 9712420 is about 3116.4755734644. The cubic root of 9712420 is about 213.3581080169.

Adding to 9712420 its reverse (242179), we get a palindrome (9954599).

The spelling of 9712420 in words is "nine million, seven hundred twelve thousand, four hundred twenty".