11448780 has 48 divisors (see below), whose sum is σ = 36637440. Its totient is φ = 2616768.

The previous prime is 11448763. The next prime is 11448791. The reversal of 11448780 is 8784411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13210 + ... + 14049.

It is an arithmetic number, because the mean of its divisors is an integer number (763280).

Almost surely, 2^11448780 is an apocalyptic number.

11448780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11448780 is an abundant number, since it is smaller than the sum of its proper divisors (25188660).

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

11448780 is a wasteful number, since it uses less digits than its factorization.

11448780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27278 (or 27276 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 11448780 is about 3383.6045868275. The cubic root of 11448780 is about 225.3822637654.

The spelling of 11448780 in words is "eleven million, four hundred forty-eight thousand, seven hundred eighty".