11535897 has 16 divisors (see below), whose sum is σ = 15966080. Its totient is φ = 7402752.

The previous prime is 11535851. The next prime is 11535899. The reversal of 11535897 is 79853511.

It is not a de Polignac number, because 11535897 - 2⁶ = 11535833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11535899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10929 + ... + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (997880).

Almost surely, 2^11535897 is an apocalyptic number.

It is an amenable number.

11535897 is a deficient number, since it is larger than the sum of its proper divisors (4430183).

11535897 is a wasteful number, since it uses less digits than its factorization.

11535897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 37800, while the sum is 39.

The square root of 11535897 is about 3396.4535916158. The cubic root of 11535897 is about 225.9524856387.

The spelling of 11535897 in words is "eleven million, five hundred thirty-five thousand, eight hundred ninety-seven".