11355897 has 24 divisors (see below), whose sum is σ = 17891616. Its totient is φ = 6386688.

The previous prime is 11355857. The next prime is 11355917. The reversal of 11355897 is 79855311.

It is not a de Polignac number, because 11355897 - 2¹⁰ = 11354873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11355857) 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, 9273 + ... + 10425.

It is an arithmetic number, because the mean of its divisors is an integer number (745484).

Almost surely, 2^11355897 is an apocalyptic number.

It is an amenable number.

11355897 is a deficient number, since it is larger than the sum of its proper divisors (6535719).

11355897 is a wasteful number, since it uses less digits than its factorization.

11355897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1230 counting only the distinct ones).

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

The square root of 11355897 is about 3369.8511836578. The cubic root of 11355897 is about 224.7711054941.

The spelling of 11355897 in words is "eleven million, three hundred fifty-five thousand, eight hundred ninety-seven".