12087135 has 48 divisors (see below), whose sum is σ = 22488960. Its totient is φ = 5987520.

The previous prime is 12087107. The next prime is 12087137. The reversal of 12087135 is 53178021.

It is not a de Polignac number, because 12087135 - 2⁶ = 12087071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12087099 and 12087108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12087137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57180 + ... + 57390.

It is an arithmetic number, because the mean of its divisors is an integer number (468520).

Almost surely, 2^12087135 is an apocalyptic number.

12087135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12087135 is a deficient number, since it is larger than the sum of its proper divisors (10401825).

12087135 is a wasteful number, since it uses less digits than its factorization.

12087135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 12087135 is about 3476.6557206603. The cubic root of 12087135 is about 229.4956497388.

The spelling of 12087135 in words is "twelve million, eighty-seven thousand, one hundred thirty-five".