11604312 has 48 divisors (see below), whose sum is σ = 32203080. Its totient is φ = 3772800.

The previous prime is 11604301. The next prime is 11604317. The reversal of 11604312 is 21340611.

It is a happy number.

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 (11604317) 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, 987 + ... + 4917.

Almost surely, 2^11604312 is an apocalyptic number.

11604312 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 11604312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16101540).

11604312 is an abundant number, since it is smaller than the sum of its proper divisors (20598768).

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

11604312 is a wasteful number, since it uses less digits than its factorization.

11604312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984 (or 3977 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 11604312 is about 3406.5102377653. The cubic root of 11604312 is about 226.3982848118.

Adding to 11604312 its reverse (21340611), we get a palindrome (32944923).

The spelling of 11604312 in words is "eleven million, six hundred four thousand, three hundred twelve".