11513032 has 8 divisors (see below), whose sum is σ = 21586950. Its totient is φ = 5756512.

The previous prime is 11513017. The next prime is 11513039. The reversal of 11513032 is 23031511.

It can be written as a sum of positive squares in only one way, i.e., 10850436 + 662596 = 3294^2 + 814^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 11512997 and 11513015.

It is not an unprimeable number, because it can be changed into a prime (11513039) 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 as a sum of consecutive naturals, namely, 719557 + ... + 719572.

Almost surely, 2^11513032 is an apocalyptic number.

It is an amenable number.

11513032 is a deficient number, since it is larger than the sum of its proper divisors (10073918).

11513032 is a wasteful number, since it uses less digits than its factorization.

11513032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439135 (or 1439131 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 11513032 is about 3393.0859110845. The cubic root of 11513032 is about 225.8031020596.

Adding to 11513032 its reverse (23031511), we get a palindrome (34544543).

The spelling of 11513032 in words is "eleven million, five hundred thirteen thousand, thirty-two".