12160818 has 12 divisors (see below), whose sum is σ = 26348478. Its totient is φ = 4053600.

The previous prime is 12160807. The next prime is 12160823. The reversal of 12160818 is 81806121.

It can be written as a sum of positive squares in only one way, i.e., 12089529 + 71289 = 3477^2 + 267^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12160791 and 12160800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 337783 + ... + 337818.

Almost surely, 2^12160818 is an apocalyptic number.

12160818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12160818 is an abundant number, since it is smaller than the sum of its proper divisors (14187660).

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

12160818 is a wasteful number, since it uses less digits than its factorization.

12160818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675609 (or 675606 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 12160818 is about 3487.2364416540. The cubic root of 12160818 is about 229.9610393994.

Adding to 12160818 its reverse (81806121), we get a palindrome (93966939).

The spelling of 12160818 in words is "twelve million, one hundred sixty thousand, eight hundred eighteen".