11533969 has 8 divisors (see below), whose sum is σ = 12348000. Its totient is φ = 10740672.

The previous prime is 11533961. The next prime is 11533981. The reversal of 11533969 is 96933511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11533969 - 2³ = 11533961 is a prime.

It is a super-2 number, since 2×11533969² = 266064881785922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11533961) 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, 4024 + ... + 6265.

It is an arithmetic number, because the mean of its divisors is an integer number (1543500).

Almost surely, 2^11533969 is an apocalyptic number.

11533969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11533969 is a deficient number, since it is larger than the sum of its proper divisors (814031).

11533969 is a wasteful number, since it uses less digits than its factorization.

11533969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10367.

The product of its digits is 21870, while the sum is 37.

The square root of 11533969 is about 3396.1697542967. The cubic root of 11533969 is about 225.9398970882.

The spelling of 11533969 in words is "eleven million, five hundred thirty-three thousand, nine hundred sixty-nine".