1373903 has 8 divisors (see below), whose sum is σ = 1416576. Its totient is φ = 1332000.

The previous prime is 1373891. The next prime is 1373959. The reversal of 1373903 is 3093731.

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 1373903 - 2⁴ = 1373887 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6050 + ... + 6272.

It is an arithmetic number, because the mean of its divisors is an integer number (177072).

2^1373903 is an apocalyptic number.

1373903 is a deficient number, since it is larger than the sum of its proper divisors (42673).

1373903 is a wasteful number, since it uses less digits than its factorization.

1373903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 1701, while the sum is 26.

The square root of 1373903 is about 1172.1360842496. The cubic root of 1373903 is about 111.1694244647.

The spelling of 1373903 in words is "one million, three hundred seventy-three thousand, nine hundred three".