12377329 has 2 divisors, whose sum is σ = 12377330. Its totient is φ = 12377328.

The previous prime is 12377317. The next prime is 12377333. The reversal of 12377329 is 92377321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7711729 + 4665600 = 2777^2 + 2160^2 .

It is an emirp because it is prime and its reverse (92377321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12377329 - 2¹¹ = 12375281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12377294 and 12377303.

It is not a weakly prime, because it can be changed into another prime (12377399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6188664 + 6188665.

It is an arithmetic number, because the mean of its divisors is an integer number (6188665).

Almost surely, 2^12377329 is an apocalyptic number.

It is an amenable number.

12377329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12377329 is an equidigital number, since it uses as much as digits as its factorization.

12377329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 12377329 is about 3518.1428339395. The cubic root of 12377329 is about 231.3177601286.

The spelling of 12377329 in words is "twelve million, three hundred seventy-seven thousand, three hundred twenty-nine".