12277609 has 8 divisors (see below), whose sum is σ = 12664512. Its totient is φ = 11896560.

The previous prime is 12277597. The next prime is 12277619. The reversal of 12277609 is 90677221.

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 12277609 - 2¹³ = 12269417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12277619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3004 + ... + 5794.

It is an arithmetic number, because the mean of its divisors is an integer number (1583064).

Almost surely, 2^12277609 is an apocalyptic number.

It is an amenable number.

12277609 is a deficient number, since it is larger than the sum of its proper divisors (386903).

12277609 is an equidigital number, since it uses as much as digits as its factorization.

12277609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 12277609 is about 3503.9419230347. The cubic root of 12277609 is about 230.6948677008.

It can be divided in two parts, 1227 and 7609, that added together give a square (8836 = 94²).

The spelling of 12277609 in words is "twelve million, two hundred seventy-seven thousand, six hundred nine".