12717045 has 48 divisors (see below), whose sum is σ = 25114752. Its totient is φ = 5892480.

The previous prime is 12717043. The next prime is 12717073. The reversal of 12717045 is 54071721.

12717045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12717045 - 2¹ = 12717043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12717041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10827 + ... + 11943.

It is an arithmetic number, because the mean of its divisors is an integer number (523224).

Almost surely, 2^12717045 is an apocalyptic number.

12717045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12717045 is a deficient number, since it is larger than the sum of its proper divisors (12397707).

12717045 is a wasteful number, since it uses less digits than its factorization.

12717045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 12717045 is about 3566.0966055338. The cubic root of 12717045 is about 233.4149861622.

Adding to 12717045 its reverse (54071721), we get a palindrome (66788766).

The spelling of 12717045 in words is "twelve million, seven hundred seventeen thousand, forty-five".