12003135 has 8 divisors (see below), whose sum is σ = 19205040. Its totient is φ = 6401664.

The previous prime is 12003127. The next prime is 12003161. The reversal of 12003135 is 53130021.

It is a happy number.

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

It is not a de Polignac number, because 12003135 - 2³ = 12003127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 800209 = 12003135 / (1 + 2 + 0 + 0 + 3 + 1 + 3 + 5).

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, 400090 + ... + 400119.

It is an arithmetic number, because the mean of its divisors is an integer number (2400630).

Almost surely, 2^12003135 is an apocalyptic number.

12003135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12003135 is a deficient number, since it is larger than the sum of its proper divisors (7201905).

12003135 is an equidigital number, since it uses as much as digits as its factorization.

12003135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800217.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 12003135 is about 3464.5540838613. The cubic root of 12003135 is about 228.9627838811.

Adding to 12003135 its reverse (53130021), we get a palindrome (65133156).

The spelling of 12003135 in words is "twelve million, three thousand, one hundred thirty-five".