12720060 has 36 divisors (see below), whose sum is σ = 38584728. Its totient is φ = 3391968.

The previous prime is 12720049. The next prime is 12720061. The reversal of 12720060 is 6002721.

It is a happy number.

12720060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12720061) 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, 35154 + ... + 35513.

It is an arithmetic number, because the mean of its divisors is an integer number (1071798).

Almost surely, 2^12720060 is an apocalyptic number.

12720060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12720060 is an abundant number, since it is smaller than the sum of its proper divisors (25864668).

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

12720060 is a wasteful number, since it uses less digits than its factorization.

12720060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70682 (or 70677 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12720060 is about 3566.5193115978. The cubic root of 12720060 is about 233.4334309759.

Adding to 12720060 its reverse (6002721), we get a palindrome (18722781).

It can be divided in two parts, 127200 and 60, that added together give a triangular number (127260 = T₅₀₄).

The spelling of 12720060 in words is "twelve million, seven hundred twenty thousand, sixty".