12276845 has 8 divisors (see below), whose sum is σ = 16836864. Its totient is φ = 8418384.

The previous prime is 12276833. The next prime is 12276851. The reversal of 12276845 is 54867221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12276845 - 2¹² = 12272749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 350767 = 12276845 / (1 + 2 + 2 + 7 + 6 + 8 + 4 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175349 + ... + 175418.

It is an arithmetic number, because the mean of its divisors is an integer number (2104608).

Almost surely, 2^12276845 is an apocalyptic number.

It is an amenable number.

12276845 is a deficient number, since it is larger than the sum of its proper divisors (4560019).

12276845 is an equidigital number, since it uses as much as digits as its factorization.

12276845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350779.

The product of its digits is 26880, while the sum is 35.

The square root of 12276845 is about 3503.8329012668. The cubic root of 12276845 is about 230.6900824440.

It can be divided in two parts, 122 and 76845, that added together give a palindrome (76967).

The spelling of 12276845 in words is "twelve million, two hundred seventy-six thousand, eight hundred forty-five".