11512422 has 16 divisors (see below), whose sum is σ = 25583280. Its totient is φ = 3837456.

The previous prime is 11512399. The next prime is 11512427. The reversal of 11512422 is 22421511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11512395 and 11512404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512427) 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, 106543 + ... + 106650.

It is an arithmetic number, because the mean of its divisors is an integer number (1598955).

Almost surely, 2^11512422 is an apocalyptic number.

11512422 is an abundant number, since it is smaller than the sum of its proper divisors (14070858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11512422 is a wasteful number, since it uses less digits than its factorization.

11512422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213204 (or 213198 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 11512422 is about 3392.9960212178. The cubic root of 11512422 is about 225.7991140477.

Adding to 11512422 its reverse (22421511), we get a palindrome (33933933).

The spelling of 11512422 in words is "eleven million, five hundred twelve thousand, four hundred twenty-two".