12807240 has 32 divisors (see below), whose sum is σ = 38422080. Its totient is φ = 3415232.

The previous prime is 12807233. The next prime is 12807317. The reversal of 12807240 is 4270821.

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 12807240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53244 + ... + 53483.

It is an arithmetic number, because the mean of its divisors is an integer number (1200690).

Almost surely, 2^12807240 is an apocalyptic number.

12807240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12807240 is an abundant number, since it is smaller than the sum of its proper divisors (25614840).

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

12807240 is a wasteful number, since it uses less digits than its factorization.

12807240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106741 (or 106737 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 12807240 is about 3578.7204417222. The cubic root of 12807240 is about 233.9655146784.

The spelling of 12807240 in words is "twelve million, eight hundred seven thousand, two hundred forty".