11604047 has 24 divisors (see below), whose sum is σ = 15231456. Its totient is φ = 8626176.

The previous prime is 11604011. The next prime is 11604059. The reversal of 11604047 is 74040611.

It is not a de Polignac number, because 11604047 - 2⁸ = 11603791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11604067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19823 + ... + 20399.

It is an arithmetic number, because the mean of its divisors is an integer number (634644).

Almost surely, 2^11604047 is an apocalyptic number.

11604047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11604047 is a deficient number, since it is larger than the sum of its proper divisors (3627409).

11604047 is a wasteful number, since it uses less digits than its factorization.

11604047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 11604047 is about 3406.4713414324. The cubic root of 11604047 is about 226.3965614294.

Adding to 11604047 its reverse (74040611), we get a palindrome (85644658).

The spelling of 11604047 in words is "eleven million, six hundred four thousand, forty-seven".