11318428 has 24 divisors (see below), whose sum is σ = 21967344. Its totient is φ = 5059200.

The previous prime is 11318423. The next prime is 11318443. The reversal of 11318428 is 82481311.

11318428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11318396 and 11318405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11318423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576 + ... + 4792.

It is an arithmetic number, because the mean of its divisors is an integer number (915306).

Almost surely, 2^11318428 is an apocalyptic number.

It is an amenable number.

11318428 is a deficient number, since it is larger than the sum of its proper divisors (10648916).

11318428 is a wasteful number, since it uses less digits than its factorization.

11318428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293 (or 4291 counting only the distinct ones).

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

The square root of 11318428 is about 3364.2871458899. The cubic root of 11318428 is about 224.5236209093.

Adding to 11318428 its reverse (82481311), we get a palindrome (93799739).

It can be divided in two parts, 1131 and 8428, that added together give a palindrome (9559).

The spelling of 11318428 in words is "eleven million, three hundred eighteen thousand, four hundred twenty-eight".