12003132 has 24 divisors (see below), whose sum is σ = 28118272. Its totient is φ = 3985200.

The previous prime is 12003127. The next prime is 12003161. The reversal of 12003132 is 23130021.

Added to its reverse (23130021) it gives a triangular number (35133153 = T₈₃₈₂).

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407 + ... + 5097.

Almost surely, 2^12003132 is an apocalyptic number.

12003132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12003132 is an abundant number, since it is smaller than the sum of its proper divisors (16115140).

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

12003132 is a wasteful number, since it uses less digits than its factorization.

12003132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969 (or 3967 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12003132 is about 3464.5536509051. The cubic root of 12003132 is about 228.9627648059.

Adding to 12003132 its reverse (23130021), we get a palindrome (35133153).

The spelling of 12003132 in words is "twelve million, three thousand, one hundred thirty-two".