60540012 has 72 divisors (see below), whose sum is σ = 165752496. Its totient is φ = 18520704.

The previous prime is 60539989. The next prime is 60540013. The reversal of 60540012 is 21004506.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (60540013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129403 + ... + 129869.

It is an arithmetic number, because the mean of its divisors is an integer number (2302118).

Almost surely, 2^60540012 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 60540012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82876248).

60540012 is an abundant number, since it is smaller than the sum of its proper divisors (105212484).

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

60540012 is a wasteful number, since it uses less digits than its factorization.

60540012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 60540012 is about 7780.7462367051. The cubic root of 60540012 is about 392.6577444839.

Adding to 60540012 its reverse (21004506), we get a palindrome (81544518).

The spelling of 60540012 in words is "sixty million, five hundred forty thousand, twelve".