1373507 has 4 divisors (see below), whose sum is σ = 1376400. Its totient is φ = 1370616.

The previous prime is 1373501. The next prime is 1373521. The reversal of 1373507 is 7053731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7053731 = 19 ⋅371249.

It is a cyclic number.

It is not a de Polignac number, because 1373507 - 2¹² = 1369411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373501) 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 3 ways as a sum of consecutive naturals, for example, 548 + ... + 1745.

It is an arithmetic number, because the mean of its divisors is an integer number (344100).

2^1373507 is an apocalyptic number.

1373507 is a deficient number, since it is larger than the sum of its proper divisors (2893).

1373507 is an equidigital number, since it uses as much as digits as its factorization.

1373507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 1373507 is about 1171.9671497103. The cubic root of 1373507 is about 111.1587426523.

The spelling of 1373507 in words is "one million, three hundred seventy-three thousand, five hundred seven".