12135298 has 16 divisors (see below), whose sum is σ = 21000384. Its totient is φ = 5151600.

The previous prime is 12135293. The next prime is 12135307. The reversal of 12135298 is 89253121.

It is not an unprimeable number, because it can be changed into a prime (12135293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2553 + ... + 5548.

It is an arithmetic number, because the mean of its divisors is an integer number (1312524).

Almost surely, 2^12135298 is an apocalyptic number.

12135298 is a deficient number, since it is larger than the sum of its proper divisors (8865086).

12135298 is a wasteful number, since it uses less digits than its factorization.

12135298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8217.

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

The square root of 12135298 is about 3483.5754620792. The cubic root of 12135298 is about 229.8000656970.

The spelling of 12135298 in words is "twelve million, one hundred thirty-five thousand, two hundred ninety-eight".