1373005 has 16 divisors (see below), whose sum is σ = 1807920. Its totient is φ = 996352.

The previous prime is 1372999. The next prime is 1373027. The reversal of 1373005 is 5003731.

It can be written as a sum of positive squares in 8 ways, for example, as 32041 + 1340964 = 179^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373005 - 2⁹ = 1372493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2187 + ... + 2743.

It is an arithmetic number, because the mean of its divisors is an integer number (112995).

2^1373005 is an apocalyptic number.

It is an amenable number.

1373005 is a deficient number, since it is larger than the sum of its proper divisors (434915).

1373005 is a wasteful number, since it uses less digits than its factorization.

1373005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 1373005 is about 1171.7529603120. The cubic root of 1373005 is about 111.1451986154.

Adding to 1373005 its reverse (5003731), we get a palindrome (6376736).

The spelling of 1373005 in words is "one million, three hundred seventy-three thousand, five".