1385812 has 6 divisors (see below), whose sum is σ = 2425178. Its totient is φ = 692904.

The previous prime is 1385809. The next prime is 1385827. The reversal of 1385812 is 2185831.

It can be written as a sum of positive squares in only one way, i.e., 1285956 + 99856 = 1134^2 + 316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173223 + ... + 173230.

2^1385812 is an apocalyptic number.

It is an amenable number.

1385812 is a deficient number, since it is larger than the sum of its proper divisors (1039366).

1385812 is a wasteful number, since it uses less digits than its factorization.

1385812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346457 (or 346455 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 1385812 is about 1177.2051647865. The cubic root of 1385812 is about 111.4897065980.

It can be divided in two parts, 1385 and 812, that added together give a cube (2197 = 13³).

The spelling of 1385812 in words is "one million, three hundred eighty-five thousand, eight hundred twelve".