11573361 has 24 divisors (see below), whose sum is σ = 17550624. Its totient is φ = 7620480.

The previous prime is 11573339. The next prime is 11573363. The reversal of 11573361 is 16337511.

It is not a de Polignac number, because 11573361 - 2⁵ = 11573329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11573363) 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, 23326 + ... + 23816.

It is an arithmetic number, because the mean of its divisors is an integer number (731276).

Almost surely, 2^11573361 is an apocalyptic number.

It is an amenable number.

11573361 is a deficient number, since it is larger than the sum of its proper divisors (5977263).

11573361 is an frugal number, since it uses more digits than its factorization.

11573361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 591 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 11573361 is about 3401.9642855268. The cubic root of 11573361 is about 226.1968225602.

The spelling of 11573361 in words is "eleven million, five hundred seventy-three thousand, three hundred sixty-one".