12395389 has 2 divisors, whose sum is σ = 12395390. Its totient is φ = 12395388.

The previous prime is 12395387. The next prime is 12395399. The reversal of 12395389 is 98359321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 1172889 = 3350^2 + 1083^2 .

It is a cyclic number.

It is not a de Polignac number, because 12395389 - 2¹ = 12395387 is a prime.

It is a super-2 number, since 2×12395389² = 307291336922642, which contains 22 as substring.

Together with 12395387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12395387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6197694 + 6197695.

It is an arithmetic number, because the mean of its divisors is an integer number (6197695).

Almost surely, 2^12395389 is an apocalyptic number.

It is an amenable number.

12395389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12395389 is an equidigital number, since it uses as much as digits as its factorization.

12395389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 12395389 is about 3520.7085934510. The cubic root of 12395389 is about 231.4302121911.

The spelling of 12395389 in words is "twelve million, three hundred ninety-five thousand, three hundred eighty-nine".