11520838 has 32 divisors (see below), whose sum is σ = 21187584. Its totient is φ = 4590432.

The previous prime is 11520833. The next prime is 11520853. The reversal of 11520838 is 83802511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11431 + ... + 12397.

It is an arithmetic number, because the mean of its divisors is an integer number (662112).

Almost surely, 2^11520838 is an apocalyptic number.

11520838 is a deficient number, since it is larger than the sum of its proper divisors (9666746).

11520838 is a wasteful number, since it uses less digits than its factorization.

11520838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 11520838 is about 3394.2359965094. The cubic root of 11520838 is about 225.8541231056.

The spelling of 11520838 in words is "eleven million, five hundred twenty thousand, eight hundred thirty-eight".