12051135 has 12 divisors (see below), whose sum is σ = 20888712. Its totient is φ = 6427248.

The previous prime is 12051131. The next prime is 12051139. The reversal of 12051135 is 53115021.

12051135 is a `hidden beast` number, since 120 + 511 + 35 = 666.

It is an interprime number because it is at equal distance from previous prime (12051131) and next prime (12051139).

It is not a de Polignac number, because 12051135 - 2² = 12051131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133857 + ... + 133946.

It is an arithmetic number, because the mean of its divisors is an integer number (1740726).

Almost surely, 2^12051135 is an apocalyptic number.

12051135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12051135 is a deficient number, since it is larger than the sum of its proper divisors (8837577).

12051135 is a wasteful number, since it uses less digits than its factorization.

12051135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267814 (or 267811 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 12051135 is about 3471.4744705960. The cubic root of 12051135 is about 229.2675819275.

Adding to 12051135 its reverse (53115021), we get a palindrome (65166156).

The spelling of 12051135 in words is "twelve million, fifty-one thousand, one hundred thirty-five".