12377809 has 8 divisors (see below), whose sum is σ = 12850560. Its totient is φ = 11908176.

The previous prime is 12377791. The next prime is 12377843. The reversal of 12377809 is 90877321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12377809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12377509) 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, 10062 + ... + 11224.

It is an arithmetic number, because the mean of its divisors is an integer number (1606320).

Almost surely, 2^12377809 is an apocalyptic number.

It is an amenable number.

12377809 is a deficient number, since it is larger than the sum of its proper divisors (472751).

12377809 is a wasteful number, since it uses less digits than its factorization.

12377809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 12377809 is about 3518.2110510883. The cubic root of 12377809 is about 231.3207503023.

The spelling of 12377809 in words is "twelve million, three hundred seventy-seven thousand, eight hundred nine".