1387363 has 2 divisors, whose sum is σ = 1387364. Its totient is φ = 1387362.

The previous prime is 1387357. The next prime is 1387367. The reversal of 1387363 is 3637831.

It is a strong prime.

It is an emirp because it is prime and its reverse (3637831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1387363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1387367) 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, 693681 + 693682.

It is an arithmetic number, because the mean of its divisors is an integer number (693682).

2^1387363 is an apocalyptic number.

1387363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387363 is an equidigital number, since it uses as much as digits as its factorization.

1387363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 1387363 is about 1177.8637442421. The cubic root of 1387363 is about 111.5312841627.

The spelling of 1387363 in words is "one million, three hundred eighty-seven thousand, three hundred sixty-three".