1383072 has 24 divisors (see below), whose sum is σ = 3630816. Its totient is φ = 460992.

The previous prime is 1383047. The next prime is 1383077. The reversal of 1383072 is 2703831.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1383077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7108 + ... + 7299.

It is an arithmetic number, because the mean of its divisors is an integer number (151284).

2^1383072 is an apocalyptic number.

1383072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1383072 is an abundant number, since it is smaller than the sum of its proper divisors (2247744).

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

1383072 is a wasteful number, since it uses less digits than its factorization.

1383072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14420 (or 14412 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1383072 is about 1176.0408156182. The cubic root of 1383072 is about 111.4161797059.

The spelling of 1383072 in words is "one million, three hundred eighty-three thousand, seventy-two".