11530356 has 12 divisors (see below), whose sum is σ = 26904192. Its totient is φ = 3843448.

The previous prime is 11530339. The next prime is 11530367. The reversal of 11530356 is 65303511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480420 + ... + 480443.

It is an arithmetic number, because the mean of its divisors is an integer number (2242016).

Almost surely, 2^11530356 is an apocalyptic number.

It is an amenable number.

11530356 is an abundant number, since it is smaller than the sum of its proper divisors (15373836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11530356 is a wasteful number, since it uses less digits than its factorization.

11530356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960870 (or 960868 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 11530356 is about 3395.6377898710. The cubic root of 11530356 is about 225.9163028366.

Adding to 11530356 its reverse (65303511), we get a palindrome (76833867).

The spelling of 11530356 in words is "eleven million, five hundred thirty thousand, three hundred fifty-six".