12387377 has 2 divisors, whose sum is σ = 12387378. Its totient is φ = 12387376.

The previous prime is 12387359. The next prime is 12387433. The reversal of 12387377 is 77378321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6355441 + 6031936 = 2521^2 + 2456^2 .

It is a cyclic number.

It is not a de Polignac number, because 12387377 - 2⁶ = 12387313 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12387377.

It is not a weakly prime, because it can be changed into another prime (12387077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6193688 + 6193689.

It is an arithmetic number, because the mean of its divisors is an integer number (6193689).

Almost surely, 2^12387377 is an apocalyptic number.

It is an amenable number.

12387377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12387377 is an equidigital number, since it uses as much as digits as its factorization.

12387377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 38.

The square root of 12387377 is about 3519.5705703963. The cubic root of 12387377 is about 231.3803383090.

The spelling of 12387377 in words is "twelve million, three hundred eighty-seven thousand, three hundred seventy-seven".