11504013 has 8 divisors (see below), whose sum is σ = 15362400. Its totient is φ = 7657488.

The previous prime is 11504011. The next prime is 11504029. The reversal of 11504013 is 31040511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11504013 - 2¹ = 11504011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11503983 and 11504001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11504011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378 + ... + 4811.

It is an arithmetic number, because the mean of its divisors is an integer number (1920300).

Almost surely, 2^11504013 is an apocalyptic number.

It is an amenable number.

11504013 is a deficient number, since it is larger than the sum of its proper divisors (3858387).

11504013 is an equidigital number, since it uses as much as digits as its factorization.

11504013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5931.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 11504013 is about 3391.7566245236. The cubic root of 11504013 is about 225.7441239615.

Adding to 11504013 its reverse (31040511), we get a palindrome (42544524).

The spelling of 11504013 in words is "eleven million, five hundred four thousand, thirteen".