11940012 has 36 divisors (see below), whose sum is σ = 34494096. Its totient is φ = 3411360.

The previous prime is 11939959. The next prime is 11940017. The reversal of 11940012 is 21004911.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (11940017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23439 + ... + 23942.

Almost surely, 2^11940012 is an apocalyptic number.

11940012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11940012 is an abundant number, since it is smaller than the sum of its proper divisors (22554084).

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

11940012 is a wasteful number, since it uses less digits than its factorization.

11940012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47398 (or 47393 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11940012 is about 3455.4322450310. The cubic root of 11940012 is about 228.5607159414.

Adding to 11940012 its reverse (21004911), we get a palindrome (32944923).

The spelling of 11940012 in words is "eleven million, nine hundred forty thousand, twelve".