12461720 has 48 divisors (see below), whose sum is σ = 29626560. Its totient is φ = 4716864.

The previous prime is 12461719. The next prime is 12461723. The reversal of 12461720 is 2716421.

12461720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12461723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14009 + ... + 14871.

It is an arithmetic number, because the mean of its divisors is an integer number (617220).

Almost surely, 2^12461720 is an apocalyptic number.

12461720 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 12461720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14813280).

12461720 is an abundant number, since it is smaller than the sum of its proper divisors (17164840).

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

12461720 is a wasteful number, since it uses less digits than its factorization.

12461720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12461720 is about 3530.1161453981. The cubic root of 12461720 is about 231.8422927399.

The spelling of 12461720 in words is "twelve million, four hundred sixty-one thousand, seven hundred twenty".