12721060 has 48 divisors (see below), whose sum is σ = 29719872. Its totient is φ = 4534400.

The previous prime is 12721043. The next prime is 12721087. The reversal of 12721060 is 6012721.

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, 11115 + ... + 12205.

It is an arithmetic number, because the mean of its divisors is an integer number (619164).

Almost surely, 2^12721060 is an apocalyptic number.

12721060 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 12721060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14859936).

12721060 is an abundant number, since it is smaller than the sum of its proper divisors (16998812).

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

12721060 is a wasteful number, since it uses less digits than its factorization.

12721060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 12721060 is about 3566.6595015504. The cubic root of 12721060 is about 233.4395480150.

Adding to 12721060 its reverse (6012721), we get a palindrome (18733781).

It can be divided in two parts, 1272 and 1060, that added together give a palindrome (2332).

The spelling of 12721060 in words is "twelve million, seven hundred twenty-one thousand, sixty".