12289135 has 16 divisors (see below), whose sum is σ = 15244992. Its totient is φ = 9504000.

The previous prime is 12289133. The next prime is 12289159. The reversal of 12289135 is 53198221.

It is not a de Polignac number, because 12289135 - 2¹ = 12289133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12289097 and 12289106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12289133) 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, 30757 + ... + 31153.

It is an arithmetic number, because the mean of its divisors is an integer number (952812).

Almost surely, 2^12289135 is an apocalyptic number.

12289135 is a deficient number, since it is larger than the sum of its proper divisors (2955857).

12289135 is a wasteful number, since it uses less digits than its factorization.

12289135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its digits is 4320, while the sum is 31.

The square root of 12289135 is about 3505.5862562487. The cubic root of 12289135 is about 230.7670358623.

The spelling of 12289135 in words is "twelve million, two hundred eighty-nine thousand, one hundred thirty-five".