12016395 has 24 divisors (see below), whose sum is σ = 21127392. Its totient is φ = 6316800.

The previous prime is 12016391. The next prime is 12016397. The reversal of 12016395 is 59361021.

12016395 is a `hidden beast` number, since 1 + 20 + 1 + 639 + 5 = 666.

It is not a de Polignac number, because 12016395 - 2² = 12016391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12016391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1315 + ... + 5075.

It is an arithmetic number, because the mean of its divisors is an integer number (880308).

Almost surely, 2^12016395 is an apocalyptic number.

12016395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12016395 is a deficient number, since it is larger than the sum of its proper divisors (9110997).

12016395 is a wasteful number, since it uses less digits than its factorization.

12016395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843 (or 3840 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12016395 is about 3466.4672218269. The cubic root of 12016395 is about 229.0470654519.

The spelling of 12016395 in words is "twelve million, sixteen thousand, three hundred ninety-five".