11518412 has 12 divisors (see below), whose sum is σ = 20305320. Its totient is φ = 5716896.

The previous prime is 11518411. The next prime is 11518421. The reversal of 11518412 is 21481511.

It is not an unprimeable number, because it can be changed into a prime (11518411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9962 + ... + 11057.

It is an arithmetic number, because the mean of its divisors is an integer number (1692110).

Almost surely, 2^11518412 is an apocalyptic number.

It is an amenable number.

11518412 is a deficient number, since it is larger than the sum of its proper divisors (8786908).

11518412 is a wasteful number, since it uses less digits than its factorization.

11518412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21160 (or 21158 counting only the distinct ones).

The product of its digits is 320, while the sum is 23.

The square root of 11518412 is about 3393.8786071396. The cubic root of 11518412 is about 225.8382689184.

Adding to 11518412 its reverse (21481511), we get a palindrome (32999923).

The spelling of 11518412 in words is "eleven million, five hundred eighteen thousand, four hundred twelve".