1374005 has 8 divisors (see below), whose sum is σ = 1666392. Its totient is φ = 1087488.

The previous prime is 1373989. The next prime is 1374007. The reversal of 1374005 is 5004731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 78961 + 1295044 = 281^2 + 1138^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1374005 - 2⁴ = 1373989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932 + ... + 1901.

It is an arithmetic number, because the mean of its divisors is an integer number (208299).

2^1374005 is an apocalyptic number.

It is an amenable number.

1374005 is a deficient number, since it is larger than the sum of its proper divisors (292387).

1374005 is an equidigital number, since it uses as much as digits as its factorization.

1374005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1374005 is about 1172.1795937483. The cubic root of 1374005 is about 111.1721755082.

Adding to 1374005 its reverse (5004731), we get a palindrome (6378736).

The spelling of 1374005 in words is "one million, three hundred seventy-four thousand, five".