11304012 has 48 divisors (see below), whose sum is σ = 28434560. Its totient is φ = 3483648.

The previous prime is 11304001. The next prime is 11304049. The reversal of 11304012 is 21040311.

It is a happy number.

11304012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11304012³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9228 + ... + 10380.

Almost surely, 2^11304012 is an apocalyptic number.

11304012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11304012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14217280).

11304012 is an abundant number, since it is smaller than the sum of its proper divisors (17130548).

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

11304012 is a wasteful number, since it uses less digits than its factorization.

11304012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11304012 is about 3362.1439588453. The cubic root of 11304012 is about 224.4282570280.

Adding to 11304012 its reverse (21040311), we get a palindrome (32344323).

The spelling of 11304012 in words is "eleven million, three hundred four thousand, twelve".