12863040 has 56 divisors (see below), whose sum is σ = 40843200. Its totient is φ = 3429888.

The previous prime is 12863027. The next prime is 12863041. The reversal of 12863040 is 4036821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12863040.

It is not an unprimeable number, because it can be changed into a prime (12863041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5740 + ... + 7659.

Almost surely, 2^12863040 is an apocalyptic number.

12863040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12863040 is an abundant number, since it is smaller than the sum of its proper divisors (27980160).

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

12863040 is a wasteful number, since it uses less digits than its factorization.

12863040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13419 (or 13409 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12863040 is about 3586.5080510156. The cubic root of 12863040 is about 234.3048113381.

Adding to 12863040 its reverse (4036821), we get a palindrome (16899861).

The spelling of 12863040 in words is "twelve million, eight hundred sixty-three thousand, forty".