11970280 has 32 divisors (see below), whose sum is σ = 30781440. Its totient is φ = 4104000.

The previous prime is 11970253. The next prime is 11970337. The reversal of 11970280 is 8207911.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 7 ways as a sum of consecutive naturals, for example, 21096 + ... + 21655.

It is an arithmetic number, because the mean of its divisors is an integer number (961920).

Almost surely, 2^11970280 is an apocalyptic number.

11970280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11970280 is an abundant number, since it is smaller than the sum of its proper divisors (18811160).

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

11970280 is a wasteful number, since it uses less digits than its factorization.

11970280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42769 (or 42765 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 11970280 is about 3459.8092432965. The cubic root of 11970280 is about 228.7536872210.

The spelling of 11970280 in words is "eleven million, nine hundred seventy thousand, two hundred eighty".