1607213 has 4 divisors (see below), whose sum is σ = 1623228. Its totient is φ = 1591200.

The previous prime is 1607201. The next prime is 1607233. The reversal of 1607213 is 3127061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1444804 + 162409 = 1202^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 1607213 - 2⁶ = 1607149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1607233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7856 + ... + 8057.

It is an arithmetic number, because the mean of its divisors is an integer number (405807).

2^1607213 is an apocalyptic number.

It is an amenable number.

1607213 is a deficient number, since it is larger than the sum of its proper divisors (16015).

1607213 is a wasteful number, since it uses less digits than its factorization.

1607213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16014.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1607213 is about 1267.7590465069. The cubic root of 1607213 is about 117.1362039081.

The spelling of 1607213 in words is "one million, six hundred seven thousand, two hundred thirteen".