1386311 has 2 divisors, whose sum is σ = 1386312. Its totient is φ = 1386310.

The previous prime is 1386293. The next prime is 1386313. The reversal of 1386311 is 1136831.

It is a strong prime.

It is an emirp because it is prime and its reverse (1136831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1386311 - 2¹⁰ = 1385287 is a prime.

Together with 1386313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693155 + 693156.

It is an arithmetic number, because the mean of its divisors is an integer number (693156).

2^1386311 is an apocalyptic number.

1386311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386311 is an equidigital number, since it uses as much as digits as its factorization.

1386311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 1386311 is about 1177.4170883761. The cubic root of 1386311 is about 111.5030866446.

The spelling of 1386311 in words is "one million, three hundred eighty-six thousand, three hundred eleven".