11971032 has 32 divisors (see below), whose sum is σ = 30067200. Its totient is φ = 3971744.

The previous prime is 11971013. The next prime is 11971033. The reversal of 11971032 is 23017911.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 11970993 and 11971011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11971033) 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 7 ways as a sum of consecutive naturals, for example, 4693 + ... + 6779.

It is an arithmetic number, because the mean of its divisors is an integer number (939600).

Almost surely, 2^11971032 is an apocalyptic number.

11971032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11971032 is an abundant number, since it is smaller than the sum of its proper divisors (18096168).

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

11971032 is a wasteful number, since it uses less digits than its factorization.

11971032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2331 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 11971032 is about 3459.9179181015. The cubic root of 11971032 is about 228.7584773949.

Adding to 11971032 its reverse (23017911), we get a palindrome (34988943).

The spelling of 11971032 in words is "eleven million, nine hundred seventy-one thousand, thirty-two".