1807013 has 8 divisors (see below), whose sum is σ = 1967448. Its totient is φ = 1649664.

The previous prime is 1806977. The next prime is 1807027. The reversal of 1807013 is 3107081.

It can be written as a sum of positive squares in 4 ways, for example, as 214369 + 1592644 = 463^2 + 1262^2 .

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 1807013 - 2¹⁰ = 1805989 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 (1807063) 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 7 ways as a sum of consecutive naturals, for example, 545 + ... + 1977.

It is an arithmetic number, because the mean of its divisors is an integer number (245931).

2^1807013 is an apocalyptic number.

1807013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1807013 is a deficient number, since it is larger than the sum of its proper divisors (160435).

1807013 is a wasteful number, since it uses less digits than its factorization.

1807013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1807013 is about 1344.2518365247. The cubic root of 1807013 is about 121.8018147509.

The spelling of 1807013 in words is "one million, eight hundred seven thousand, thirteen".