1386255 has 16 divisors (see below), whose sum is σ = 2388960. Its totient is φ = 682368.

The previous prime is 1386239. The next prime is 1386263. The reversal of 1386255 is 5526831.

It is not a de Polignac number, because 1386255 - 2⁴ = 1386239 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3360 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (149310).

2^1386255 is an apocalyptic number.

1386255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1386255 is a deficient number, since it is larger than the sum of its proper divisors (1002705).

1386255 is a wasteful number, since it uses less digits than its factorization.

1386255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130.

The product of its digits is 7200, while the sum is 30.

The square root of 1386255 is about 1177.3933072682. The cubic root of 1386255 is about 111.5015852362.

It can be divided in two parts, 13 and 86255, that added together give a palindrome (86268).

The spelling of 1386255 in words is "one million, three hundred eighty-six thousand, two hundred fifty-five".