12011432 has 8 divisors (see below), whose sum is σ = 22521450. Its totient is φ = 6005712.

The previous prime is 12011411. The next prime is 12011459. The reversal of 12011432 is 23411021.

It can be written as a sum of positive squares in only one way, i.e., 9897316 + 2114116 = 3146^2 + 1454^2 .

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

It is an unprimeable number.

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, 750707 + ... + 750722.

Almost surely, 2^12011432 is an apocalyptic number.

It is an amenable number.

12011432 is a deficient number, since it is larger than the sum of its proper divisors (10510018).

12011432 is a wasteful number, since it uses less digits than its factorization.

12011432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501435 (or 1501431 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12011432 is about 3465.7512894032. The cubic root of 12011432 is about 229.0155275094.

Adding to 12011432 its reverse (23411021), we get a palindrome (35422453).

The spelling of 12011432 in words is "twelve million, eleven thousand, four hundred thirty-two".