1373073 has 32 divisors (see below), whose sum is σ = 2217600. Its totient is φ = 746496.

The previous prime is 1373059. The next prime is 1373081. The reversal of 1373073 is 3703731.

It is not a de Polignac number, because 1373073 - 2⁵ = 1373041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1373173) 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 31 ways as a sum of consecutive naturals, for example, 12543 + ... + 12651.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2^1373073 is an apocalyptic number.

1373073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1373073 is a deficient number, since it is larger than the sum of its proper divisors (844527).

1373073 is a wasteful number, since it uses less digits than its factorization.

1373073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 1323, while the sum is 24.

The square root of 1373073 is about 1171.7819763079. The cubic root of 1373073 is about 111.1470334591.

It can be divided in two parts, 13 and 73073, that multiplied together give a palindrome (949949).

The spelling of 1373073 in words is "one million, three hundred seventy-three thousand, seventy-three".