11138824 has 8 divisors (see below), whose sum is σ = 20885310. Its totient is φ = 5569408.

The previous prime is 11138821. The next prime is 11138833. The reversal of 11138824 is 42883111.

11138824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6853924 + 4284900 = 2618^2 + 2070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11138792 and 11138801.

It is not an unprimeable number, because it can be changed into a prime (11138821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696169 + ... + 696184.

Almost surely, 2^11138824 is an apocalyptic number.

It is an amenable number.

11138824 is a deficient number, since it is larger than the sum of its proper divisors (9746486).

11138824 is a wasteful number, since it uses less digits than its factorization.

11138824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392359 (or 1392355 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 11138824 is about 3337.4876778799. The cubic root of 11138824 is about 223.3296818789.

The spelling of 11138824 in words is "eleven million, one hundred thirty-eight thousand, eight hundred twenty-four".