1383912 has 64 divisors (see below), whose sum is σ = 3960000. Its totient is φ = 447552.

The previous prime is 1383901. The next prime is 1383913. The reversal of 1383912 is 2193831.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1383913) by changing a digit.

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, 9214 + ... + 9362.

It is an arithmetic number, because the mean of its divisors is an integer number (61875).

2^1383912 is an apocalyptic number.

1383912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1383912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1980000).

1383912 is an abundant number, since it is smaller than the sum of its proper divisors (2576088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1383912 is a wasteful number, since it uses less digits than its factorization.

1383912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 197 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1383912 is about 1176.3978918716. The cubic root of 1383912 is about 111.4387311108.

The spelling of 1383912 in words is "one million, three hundred eighty-three thousand, nine hundred twelve".