12795040 has 48 divisors (see below), whose sum is σ = 30451680. Its totient is φ = 5080320.

The previous prime is 12795023. The next prime is 12795043. The reversal of 12795040 is 4059721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12795043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33571 + ... + 33949.

It is an arithmetic number, because the mean of its divisors is an integer number (634410).

Almost surely, 2^12795040 is an apocalyptic number.

12795040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12795040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15225840).

12795040 is an abundant number, since it is smaller than the sum of its proper divisors (17656640).

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

12795040 is a wasteful number, since it uses less digits than its factorization.

12795040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12795040 is about 3577.0155157617. The cubic root of 12795040 is about 233.8912003035.

The spelling of 12795040 in words is "twelve million, seven hundred ninety-five thousand, forty".