11504939 has 4 divisors (see below), whose sum is σ = 11513256. Its totient is φ = 11496624.

The previous prime is 11504921. The next prime is 11504957. The reversal of 11504939 is 93940511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93940511 = 7 ⋅13420073.

It is an interprime number because it is at equal distance from previous prime (11504921) and next prime (11504957).

It is a cyclic number.

It is not a de Polignac number, because 11504939 - 2²⁰ = 10456363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11504959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529 + ... + 5034.

It is an arithmetic number, because the mean of its divisors is an integer number (2878314).

Almost surely, 2^11504939 is an apocalyptic number.

11504939 is a deficient number, since it is larger than the sum of its proper divisors (8317).

11504939 is an equidigital number, since it uses as much as digits as its factorization.

11504939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8316.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 11504939 is about 3391.8931292127. The cubic root of 11504939 is about 225.7501807885.

The spelling of 11504939 in words is "eleven million, five hundred four thousand, nine hundred thirty-nine".