1388063 has 2 divisors, whose sum is σ = 1388064. Its totient is φ = 1388062.

The previous prime is 1388059. The next prime is 1388069. The reversal of 1388063 is 3608831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1388063 - 2² = 1388059 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1388069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694031 + 694032.

It is an arithmetic number, because the mean of its divisors is an integer number (694032).

2^1388063 is an apocalyptic number.

1388063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388063 is an equidigital number, since it uses as much as digits as its factorization.

1388063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1388063 is about 1178.1608548921. The cubic root of 1388063 is about 111.5500388727.

The spelling of 1388063 in words is "one million, three hundred eighty-eight thousand, sixty-three".