11357428 has 12 divisors (see below), whose sum is σ = 21044772. Its totient is φ = 5344640.

The previous prime is 11357419. The next prime is 11357429. The reversal of 11357428 is 82475311.

It can be written as a sum of positive squares in 2 ways, for example, as 5654884 + 5702544 = 2378^2 + 2388^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11357428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11357429) 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, 83443 + ... + 83578.

It is an arithmetic number, because the mean of its divisors is an integer number (1753731).

Almost surely, 2^11357428 is an apocalyptic number.

It is an amenable number.

11357428 is a deficient number, since it is larger than the sum of its proper divisors (9687344).

11357428 is a wasteful number, since it uses less digits than its factorization.

11357428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167042 (or 167040 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 11357428 is about 3370.0783373684. The cubic root of 11357428 is about 224.7812062403.

The spelling of 11357428 in words is "eleven million, three hundred fifty-seven thousand, four hundred twenty-eight".