12271662 has 40 divisors (see below), whose sum is σ = 29617896. Its totient is φ = 3775248.

The previous prime is 12271643. The next prime is 12271681. The reversal of 12271662 is 26617221.

It is an interprime number because it is at equal distance from previous prime (12271643) and next prime (12271681).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 808 + ... + 5019.

Almost surely, 2^12271662 is an apocalyptic number.

12271662 is an abundant number, since it is smaller than the sum of its proper divisors (17346234).

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

12271662 is a wasteful number, since it uses less digits than its factorization.

12271662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854 (or 5845 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12271662 is about 3503.0932045836. The cubic root of 12271662 is about 230.6576138688.

Adding to 12271662 its reverse (26617221), we get a palindrome (38888883).

The spelling of 12271662 in words is "twelve million, two hundred seventy-one thousand, six hundred sixty-two".