12276045 has 48 divisors (see below), whose sum is σ = 22372272. Its totient is φ = 6220800.

The previous prime is 12276007. The next prime is 12276049. The reversal of 12276045 is 54067221.

It can be written as a sum of positive squares in 8 ways, for example, as 2653641 + 9622404 = 1629^2 + 3102^2 .

It is not a de Polignac number, because 12276045 - 2⁷ = 12275917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12276049) 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 47 ways as a sum of consecutive naturals, for example, 121495 + ... + 121595.

It is an arithmetic number, because the mean of its divisors is an integer number (466089).

Almost surely, 2^12276045 is an apocalyptic number.

12276045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12276045 is a deficient number, since it is larger than the sum of its proper divisors (10096227).

12276045 is a wasteful number, since it uses less digits than its factorization.

12276045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 12276045 is about 3503.7187387118. The cubic root of 12276045 is about 230.6850714912.

It can be divided in two parts, 122 and 76045, that added together give a palindrome (76167).

The spelling of 12276045 in words is "twelve million, two hundred seventy-six thousand, forty-five".