11944280 has 16 divisors (see below), whose sum is σ = 26874720. Its totient is φ = 4777696.

The previous prime is 11944277. The next prime is 11944297. The reversal of 11944280 is 8244911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149264 + ... + 149343.

It is an arithmetic number, because the mean of its divisors is an integer number (1679670).

Almost surely, 2^11944280 is an apocalyptic number.

11944280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11944280 is an abundant number, since it is smaller than the sum of its proper divisors (14930440).

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

11944280 is a wasteful number, since it uses less digits than its factorization.

11944280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298618 (or 298614 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 11944280 is about 3456.0497681602. The cubic root of 11944280 is about 228.5879459790.

The spelling of 11944280 in words is "eleven million, nine hundred forty-four thousand, two hundred eighty".