12027516 has 48 divisors (see below), whose sum is σ = 29213184. Its totient is φ = 3848256.

The previous prime is 12027511. The next prime is 12027523. The reversal of 12027516 is 61572021.

It is a super-2 number, since 2×12027516² = 289322282260512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12027511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45601 + ... + 45863.

It is an arithmetic number, because the mean of its divisors is an integer number (608608).

Almost surely, 2^12027516 is an apocalyptic number.

It is an amenable number.

12027516 is an abundant number, since it is smaller than the sum of its proper divisors (17185668).

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

12027516 is a wasteful number, since it uses less digits than its factorization.

12027516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 12027516 is about 3468.0709335306. The cubic root of 12027516 is about 229.1177035817.

Adding to 12027516 its reverse (61572021), we get a palindrome (73599537).

The spelling of 12027516 in words is "twelve million, twenty-seven thousand, five hundred sixteen".