12760040 has 16 divisors (see below), whose sum is σ = 28710180. Its totient is φ = 5104000.

The previous prime is 12760031. The next prime is 12760051. The reversal of 12760040 is 4006721.

12760040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11464996 + 1295044 = 3386^2 + 1138^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12759994 and 12760021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159461 + ... + 159540.

Almost surely, 2^12760040 is an apocalyptic number.

12760040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12760040 is an abundant number, since it is smaller than the sum of its proper divisors (15950140).

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

12760040 is a wasteful number, since it uses less digits than its factorization.

12760040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319012 (or 319008 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12760040 is about 3572.1198188191. The cubic root of 12760040 is about 233.6777408265.

Adding to 12760040 its reverse (4006721), we get a palindrome (16766761).

The spelling of 12760040 in words is "twelve million, seven hundred sixty thousand, forty".