12135004 has 12 divisors (see below), whose sum is σ = 24270064. Its totient is φ = 5200704.

The previous prime is 12134999. The next prime is 12135017. The reversal of 12135004 is 40053121.

12135004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12135004 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216669 + ... + 216724.

Almost surely, 2^12135004 is an apocalyptic number.

12135004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12135004 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.

12135004 is a wasteful number, since it uses less digits than its factorization.

12135004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433404 (or 433402 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12135004 is about 3483.5332637998. The cubic root of 12135004 is about 229.7982099051.

Adding to 12135004 its reverse (40053121), we get a palindrome (52188125).

The spelling of 12135004 in words is "twelve million, one hundred thirty-five thousand, four".