11530036 has 24 divisors (see below), whose sum is σ = 24274880. Its totient is φ = 4681152.

The previous prime is 11530031. The next prime is 11530049. The reversal of 11530036 is 63003511.

It is a super-2 number, since 2×11530036² = 265883460322592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 11529995 and 11530022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530031) 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, 10305 + ... + 11368.

Almost surely, 2^11530036 is an apocalyptic number.

It is an amenable number.

11530036 is an abundant number, since it is smaller than the sum of its proper divisors (12744844).

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

11530036 is a wasteful number, since it uses less digits than its factorization.

11530036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21703 (or 21701 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 11530036 is about 3395.5906702664. The cubic root of 11530036 is about 225.9142128784.

Adding to 11530036 its reverse (63003511), we get a palindrome (74533547).

The spelling of 11530036 in words is "eleven million, five hundred thirty thousand, thirty-six".