12276081 has 6 divisors (see below), whose sum is σ = 17732130. Its totient is φ = 8184048.

The previous prime is 12276079. The next prime is 12276083. The reversal of 12276081 is 18067221.

It is an interprime number because it is at equal distance from previous prime (12276079) and next prime (12276083).

It can be written as a sum of positive squares in only one way, i.e., 11840481 + 435600 = 3441^2 + 660^2 .

It is not a de Polignac number, because 12276081 - 2¹ = 12276079 is a prime.

It is a super-2 number, since 2×12276081² = 301404329437122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12276083) by changing a digit.

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, 681996 + ... + 682013.

It is an arithmetic number, because the mean of its divisors is an integer number (2955355).

Almost surely, 2^12276081 is an apocalyptic number.

It is an amenable number.

12276081 is a deficient number, since it is larger than the sum of its proper divisors (5456049).

12276081 is a wasteful number, since it uses less digits than its factorization.

12276081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364015 (or 1364012 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 12276081 is about 3503.7238761067. The cubic root of 12276081 is about 230.6852969887.

The spelling of 12276081 in words is "twelve million, two hundred seventy-six thousand, eighty-one".