12045135 has 16 divisors (see below), whose sum is σ = 19315296. Its totient is φ = 6409728.

The previous prime is 12045133. The next prime is 12045139. The reversal of 12045135 is 53154021.

It is not a de Polignac number, because 12045135 - 2¹ = 12045133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12387 + ... + 13323.

It is an arithmetic number, because the mean of its divisors is an integer number (1207206).

Almost surely, 2^12045135 is an apocalyptic number.

12045135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12045135 is a deficient number, since it is larger than the sum of its proper divisors (7270161).

12045135 is an equidigital number, since it uses as much as digits as its factorization.

12045135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12045135 is about 3470.6101768997. The cubic root of 12045135 is about 229.2295264843.

Adding to 12045135 its reverse (53154021), we get a palindrome (65199156).

The spelling of 12045135 in words is "twelve million, forty-five thousand, one hundred thirty-five".