11267980 has 24 divisors (see below), whose sum is σ = 24303888. Its totient is φ = 4385088.

The previous prime is 11267951. The next prime is 11267987. The reversal of 11267980 is 8976211.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11267987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6874 + ... + 8353.

It is an arithmetic number, because the mean of its divisors is an integer number (1012662).

Almost surely, 2^11267980 is an apocalyptic number.

11267980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11267980 is an abundant number, since it is smaller than the sum of its proper divisors (13035908).

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

11267980 is a wasteful number, since it uses less digits than its factorization.

11267980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15273 (or 15271 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 11267980 is about 3356.7811963248. The cubic root of 11267980 is about 224.1895451345.

The spelling of 11267980 in words is "eleven million, two hundred sixty-seven thousand, nine hundred eighty".