12163340 has 48 divisors (see below), whose sum is σ = 29390592. Its totient is φ = 4142016.

The previous prime is 12163337. The next prime is 12163351. The reversal of 12163340 is 4336121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39467 + ... + 39773.

It is an arithmetic number, because the mean of its divisors is an integer number (612304).

Almost surely, 2^12163340 is an apocalyptic number.

12163340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12163340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14695296).

12163340 is an abundant number, since it is smaller than the sum of its proper divisors (17227252).

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

12163340 is a wasteful number, since it uses less digits than its factorization.

12163340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 12163340 is about 3487.5980272962. The cubic root of 12163340 is about 229.9769353053.

Adding to 12163340 its reverse (4336121), we get a palindrome (16499461).

The spelling of 12163340 in words is "twelve million, one hundred sixty-three thousand, three hundred forty".