1378283 has 4 divisors (see below), whose sum is σ = 1425840. Its totient is φ = 1330728.

The previous prime is 1378277. The next prime is 1378301. The reversal of 1378283 is 3828731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3828731 = 811 ⋅4721.

It is a cyclic number.

It is not a de Polignac number, because 1378283 - 2⁶ = 1378219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1378253) 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, 23735 + ... + 23792.

It is an arithmetic number, because the mean of its divisors is an integer number (356460).

2^1378283 is an apocalyptic number.

1378283 is a deficient number, since it is larger than the sum of its proper divisors (47557).

1378283 is an equidigital number, since it uses as much as digits as its factorization.

1378283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47556.

The product of its digits is 8064, while the sum is 32.

The square root of 1378283 is about 1174.0029812569. The cubic root of 1378283 is about 111.2874351147.

It can be divided in two parts, 1378 and 283, that added together give a palindrome (1661).

The spelling of 1378283 in words is "one million, three hundred seventy-eight thousand, two hundred eighty-three".