12135498 has 8 divisors (see below), whose sum is σ = 24271008. Its totient is φ = 4045164.

The previous prime is 12135493. The next prime is 12135499. The reversal of 12135498 is 89453121.

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

12135498 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12135491) 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 3 ways as a sum of consecutive naturals, for example, 1011286 + ... + 1011297.

It is an arithmetic number, because the mean of its divisors is an integer number (3033876).

Almost surely, 2^12135498 is an apocalyptic number.

12135498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12135498 is a wasteful number, since it uses less digits than its factorization.

12135498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022588.

The product of its digits is 8640, while the sum is 33.

The square root of 12135498 is about 3483.6041680995. The cubic root of 12135498 is about 229.8013281234.

The spelling of 12135498 in words is "twelve million, one hundred thirty-five thousand, four hundred ninety-eight".