11813075 has 6 divisors (see below), whose sum is σ = 14648244. Its totient is φ = 9450440.

The previous prime is 11813071. The next prime is 11813083. The reversal of 11813075 is 57031811.

It is not a de Polignac number, because 11813075 - 2² = 11813071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11813071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236237 + ... + 236286.

It is an arithmetic number, because the mean of its divisors is an integer number (2441374).

Almost surely, 2^11813075 is an apocalyptic number.

11813075 is a deficient number, since it is larger than the sum of its proper divisors (2835169).

11813075 is an equidigital number, since it uses as much as digits as its factorization.

11813075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472533 (or 472528 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 11813075 is about 3437.0154203902. The cubic root of 11813075 is about 227.7478681506.

Adding to 11813075 its reverse (57031811), we get a palindrome (68844886).

The spelling of 11813075 in words is "eleven million, eight hundred thirteen thousand, seventy-five".