11280969 has 24 divisors (see below), whose sum is σ = 18724992. Its totient is φ = 6410880.

The previous prime is 11280953. The next prime is 11280989. The reversal of 11280969 is 96908211.

It is not a de Polignac number, because 11280969 - 2⁴ = 11280953 is a prime.

It is a super-2 number, since 2×11280969² = 254520523157922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11280989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14812 + ... + 15554.

It is an arithmetic number, because the mean of its divisors is an integer number (780208).

Almost surely, 2^11280969 is an apocalyptic number.

It is an amenable number.

11280969 is a deficient number, since it is larger than the sum of its proper divisors (7444023).

11280969 is a wasteful number, since it uses less digits than its factorization.

11280969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 11280969 is about 3358.7153794271. The cubic root of 11280969 is about 224.2756558008.

The spelling of 11280969 in words is "eleven million, two hundred eighty thousand, nine hundred sixty-nine".