12301391 has 2 divisors, whose sum is σ = 12301392. Its totient is φ = 12301390.

The previous prime is 12301369. The next prime is 12301409. The reversal of 12301391 is 19310321.

It is a strong prime.

It is an emirp because it is prime and its reverse (19310321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12301391 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12301301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150695 + 6150696.

It is an arithmetic number, because the mean of its divisors is an integer number (6150696).

Almost surely, 2^12301391 is an apocalyptic number.

12301391 is a deficient number, since it is larger than the sum of its proper divisors (1).

12301391 is an equidigital number, since it uses as much as digits as its factorization.

12301391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 12301391 is about 3507.3338877273. Note that the first 3 decimals coincide. The cubic root of 12301391 is about 230.8437253145.

The spelling of 12301391 in words is "twelve million, three hundred one thousand, three hundred ninety-one".