12377609 has 2 divisors, whose sum is σ = 12377610. Its totient is φ = 12377608.

The previous prime is 12377543. The next prime is 12377639. The reversal of 12377609 is 90677321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10582009 + 1795600 = 3253^2 + 1340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12377609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12377639) 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 as a sum of consecutive naturals, namely, 6188804 + 6188805.

It is an arithmetic number, because the mean of its divisors is an integer number (6188805).

Almost surely, 2^12377609 is an apocalyptic number.

It is an amenable number.

12377609 is a deficient number, since it is larger than the sum of its proper divisors (1).

12377609 is an equidigital number, since it uses as much as digits as its factorization.

12377609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 12377609 is about 3518.1826274371. The cubic root of 12377609 is about 231.3195044060.

The spelling of 12377609 in words is "twelve million, three hundred seventy-seven thousand, six hundred nine".