12741512 has 48 divisors (see below), whose sum is σ = 28167360. Its totient is φ = 5292576.

The previous prime is 12741511. The next prime is 12741523. The reversal of 12741512 is 21514721.

It is a super-2 number, since 2×12741512² = 324692256092288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12741511) 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, 123653 + ... + 123755.

It is an arithmetic number, because the mean of its divisors is an integer number (586820).

Almost surely, 2^12741512 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 12741512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14083680).

12741512 is an abundant number, since it is smaller than the sum of its proper divisors (15425848).

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

12741512 is a wasteful number, since it uses less digits than its factorization.

12741512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 159 counting only the distinct ones).

The product of its digits is 560, while the sum is 23.

The square root of 12741512 is about 3569.5254586569. The cubic root of 12741512 is about 233.5645834372.

The spelling of 12741512 in words is "twelve million, seven hundred forty-one thousand, five hundred twelve".