1873313 has 8 divisors (see below), whose sum is σ = 2087400. Its totient is φ = 1669248.

The previous prime is 1873307. The next prime is 1873321. The reversal of 1873313 is 3133781.

It can be written as a sum of positive squares in 4 ways, for example, as 4624 + 1868689 = 68^2 + 1367^2 .

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 1873313 - 2⁴ = 1873297 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1873013) 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, 2108 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (260925).

2^1873313 is an apocalyptic number.

1873313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1873313 is a deficient number, since it is larger than the sum of its proper divisors (214087).

1873313 is a wasteful number, since it uses less digits than its factorization.

1873313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011.

The product of its digits is 1512, while the sum is 26.

The square root of 1873313 is about 1368.6902498374. The cubic root of 1873313 is about 123.2736103994.

The spelling of 1873313 in words is "one million, eight hundred seventy-three thousand, three hundred thirteen".