1383812 has 6 divisors (see below), whose sum is σ = 2421678. Its totient is φ = 691904.

The previous prime is 1383803. The next prime is 1383829. The reversal of 1383812 is 2183831.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 75076 = 1144^2 + 274^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172973 + ... + 172980.

It is an arithmetic number, because the mean of its divisors is an integer number (403613).

2^1383812 is an apocalyptic number.

It is an amenable number.

1383812 is a deficient number, since it is larger than the sum of its proper divisors (1037866).

1383812 is a wasteful number, since it uses less digits than its factorization.

1383812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345957 (or 345955 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 1383812 is about 1176.3553884775. The cubic root of 1383812 is about 111.4360468984.

The spelling of 1383812 in words is "one million, three hundred eighty-three thousand, eight hundred twelve".