1376685 has 12 divisors (see below), whose sum is σ = 2386332. Its totient is φ = 734208.

The previous prime is 1376653. The next prime is 1376693. The reversal of 1376685 is 5866731.

It can be written as a sum of positive squares in 2 ways, for example, as 715716 + 660969 = 846^2 + 813^2 .

It is not a de Polignac number, because 1376685 - 2⁵ = 1376653 is a prime.

1376685 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15252 + ... + 15341.

It is an arithmetic number, because the mean of its divisors is an integer number (198861).

2^1376685 is an apocalyptic number.

1376685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1376685 is a deficient number, since it is larger than the sum of its proper divisors (1009647).

1376685 is a wasteful number, since it uses less digits than its factorization.

1376685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30604 (or 30601 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1376685 is about 1173.3222063866. The cubic root of 1376685 is about 111.2444090950.

The spelling of 1376685 in words is "one million, three hundred seventy-six thousand, six hundred eighty-five".