12163516 has 12 divisors (see below), whose sum is σ = 21317688. Its totient is φ = 6072752.

The previous prime is 12163423. The next prime is 12163519. The reversal of 12163516 is 61536121.

12163516 is nontrivially palindromic in base 15.

It is a super-2 number, since 2×12163516² = 295902242964512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12163519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470 + ... + 5146.

It is an arithmetic number, because the mean of its divisors is an integer number (1776474).

Almost surely, 2^12163516 is an apocalyptic number.

It is an amenable number.

12163516 is a deficient number, since it is larger than the sum of its proper divisors (9154172).

12163516 is a wasteful number, since it uses less digits than its factorization.

12163516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508 (or 4506 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 12163516 is about 3487.6232594706. The cubic root of 12163516 is about 229.9780445331.

Adding to 12163516 its reverse (61536121), we get a palindrome (73699637).

The spelling of 12163516 in words is "twelve million, one hundred sixty-three thousand, five hundred sixteen".