12087316 has 24 divisors (see below), whose sum is σ = 22176000. Its totient is φ = 5757024.

The previous prime is 12087311. The next prime is 12087347. The reversal of 12087316 is 61378021.

It is a super-2 number, since 2×12087316² = 292206416167712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12087311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8505 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (924000).

Almost surely, 2^12087316 is an apocalyptic number.

It is an amenable number.

12087316 is a deficient number, since it is larger than the sum of its proper divisors (10088684).

12087316 is a wasteful number, since it uses less digits than its factorization.

12087316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12087316 is about 3476.6817513255. The cubic root of 12087316 is about 229.4967952682.

It can be divided in two parts, 12087 and 316, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 12087316 in words is "twelve million, eighty-seven thousand, three hundred sixteen".