11490012 has 36 divisors (see below), whose sum is σ = 30122456. Its totient is φ = 3829680.

The previous prime is 11490007. The next prime is 11490013. The reversal of 11490012 is 21009411.

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

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11490013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4939 + ... + 6882.

Almost surely, 2^11490012 is an apocalyptic number.

11490012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11490012 is an abundant number, since it is smaller than the sum of its proper divisors (18632444).

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

11490012 is a wasteful number, since it uses less digits than its factorization.

11490012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11840 (or 11826 counting only the distinct ones).

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

The square root of 11490012 is about 3389.6920214084. The cubic root of 11490012 is about 225.6525058866.

Adding to 11490012 its reverse (21009411), we get a palindrome (32499423).

The spelling of 11490012 in words is "eleven million, four hundred ninety thousand, twelve".