12868740 has 48 divisors (see below), whose sum is σ = 40037760. Its totient is φ = 3431520.

The previous prime is 12868729. The next prime is 12868781. The reversal of 12868740 is 4786821.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12868695 and 12868704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11376 + ... + 12455.

It is an arithmetic number, because the mean of its divisors is an integer number (834120).

Almost surely, 2^12868740 is an apocalyptic number.

12868740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12868740 is an abundant number, since it is smaller than the sum of its proper divisors (27169020).

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

12868740 is a wasteful number, since it uses less digits than its factorization.

12868740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23849 (or 23841 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 12868740 is about 3587.3026078099. The cubic root of 12868740 is about 234.3394153975.

The spelling of 12868740 in words is "twelve million, eight hundred sixty-eight thousand, seven hundred forty".