11720032 has 24 divisors (see below), whose sum is σ = 23168376. Its totient is φ = 5836032.

The previous prime is 11720029. The next prime is 11720039. The reversal of 11720032 is 23002711.

It is a happy number.

It is a super-4 number, since 4×11720032⁴ (a number of 29 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11719988 and 11720015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11720039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9228 + ... + 10420.

It is an arithmetic number, because the mean of its divisors is an integer number (965349).

Almost surely, 2^11720032 is an apocalyptic number.

It is an amenable number.

11720032 is a deficient number, since it is larger than the sum of its proper divisors (11448344).

11720032 is a wasteful number, since it uses less digits than its factorization.

11720032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 11720032 is about 3423.4532273715. The cubic root of 11720032 is about 227.1483566415.

Adding to 11720032 its reverse (23002711), we get a palindrome (34722743).

The spelling of 11720032 in words is "eleven million, seven hundred twenty thousand, thirty-two".