12802040 has 32 divisors (see below), whose sum is σ = 28935360. Its totient is φ = 5097600.

The previous prime is 12802033. The next prime is 12802043. The reversal of 12802040 is 4020821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12802043) 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, 10250 + ... + 11430.

It is an arithmetic number, because the mean of its divisors is an integer number (904230).

Almost surely, 2^12802040 is an apocalyptic number.

12802040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12802040 is an abundant number, since it is smaller than the sum of its proper divisors (16133320).

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

12802040 is a wasteful number, since it uses less digits than its factorization.

12802040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1459 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 12802040 is about 3577.9938513083. The cubic root of 12802040 is about 233.9338454723.

Adding to 12802040 its reverse (4020821), we get a palindrome (16822861).

The spelling of 12802040 in words is "twelve million, eight hundred two thousand, forty".