12003131 has 8 divisors (see below), whose sum is σ = 13753824. Its totient is φ = 10261440.

The previous prime is 12003127. The next prime is 12003161. The reversal of 12003131 is 13130021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12003131 - 2² = 12003127 is a prime.

It is a super-2 number, since 2×12003131² = 288150307606322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12003161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911 + ... + 4983.

It is an arithmetic number, because the mean of its divisors is an integer number (1719228).

Almost surely, 2^12003131 is an apocalyptic number.

12003131 is a deficient number, since it is larger than the sum of its proper divisors (1750693).

12003131 is an equidigital number, since it uses as much as digits as its factorization.

12003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 12003131 is about 3464.5535065864. The cubic root of 12003131 is about 228.9627584475.

Adding to 12003131 its reverse (13130021), we get a palindrome (25133152).

The spelling of 12003131 in words is "twelve million, three thousand, one hundred thirty-one".