11904613 has 4 divisors (see below), whose sum is σ = 13605280. Its totient is φ = 10203948.

The previous prime is 11904611. The next prime is 11904631. The reversal of 11904613 is 31640911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11904613 - 2¹ = 11904611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11904611) 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 3 ways as a sum of consecutive naturals, for example, 850323 + ... + 850336.

It is an arithmetic number, because the mean of its divisors is an integer number (3401320).

Almost surely, 2^11904613 is an apocalyptic number.

It is an amenable number.

11904613 is a deficient number, since it is larger than the sum of its proper divisors (1700667).

11904613 is an equidigital number, since it uses as much as digits as its factorization.

11904613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700666.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11904613 is about 3450.3062182943. The cubic root of 11904613 is about 228.3346181871.

The spelling of 11904613 in words is "eleven million, nine hundred four thousand, six hundred thirteen".