1386117 has 12 divisors (see below), whose sum is σ = 2013804. Its totient is φ = 918720.

The previous prime is 1386097. The next prime is 1386139. The reversal of 1386117 is 7116831.

It can be written as a sum of positive squares in 2 ways, for example, as 690561 + 695556 = 831^2 + 834^2 .

It is not a de Polignac number, because 1386117 - 2⁶ = 1386053 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1767 + ... + 2427.

It is an arithmetic number, because the mean of its divisors is an integer number (167817).

2^1386117 is an apocalyptic number.

It is an amenable number.

1386117 is a deficient number, since it is larger than the sum of its proper divisors (627687).

1386117 is a wasteful number, since it uses less digits than its factorization.

1386117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 897 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 1386117 is about 1177.3347017735. The cubic root of 1386117 is about 111.4978851644.

The spelling of 1386117 in words is "one million, three hundred eighty-six thousand, one hundred seventeen".