11718012 has 12 divisors (see below), whose sum is σ = 27342056. Its totient is φ = 3906000.

The previous prime is 11717999. The next prime is 11718013. The reversal of 11718012 is 21081711.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11718012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11718013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488239 + ... + 488262.

Almost surely, 2^11718012 is an apocalyptic number.

11718012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11718012 is an abundant number, since it is smaller than the sum of its proper divisors (15624044).

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

11718012 is a wasteful number, since it uses less digits than its factorization.

11718012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976508 (or 976506 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 11718012 is about 3423.1581909108. The cubic root of 11718012 is about 227.1353058795.

Adding to 11718012 its reverse (21081711), we get a palindrome (32799723).

The spelling of 11718012 in words is "eleven million, seven hundred eighteen thousand, twelve".