11812918 has 16 divisors (see below), whose sum is σ = 19741680. Its totient is φ = 5263776.

The previous prime is 11812903. The next prime is 11812919. The reversal of 11812918 is 81921811.

It is a self number, because there is not a number n which added to its sum of digits gives 11812918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11812919) 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, 7080 + ... + 8587.

It is an arithmetic number, because the mean of its divisors is an integer number (1233855).

Almost surely, 2^11812918 is an apocalyptic number.

11812918 is a deficient number, since it is larger than the sum of its proper divisors (7928762).

11812918 is a wasteful number, since it uses less digits than its factorization.

11812918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15711.

The product of its digits is 1152, while the sum is 31.

The square root of 11812918 is about 3436.9925807310. The cubic root of 11812918 is about 227.7468591959.

The spelling of 11812918 in words is "eleven million, eight hundred twelve thousand, nine hundred eighteen".