672013 has 4 divisors (see below), whose sum is σ = 673920. Its totient is φ = 670108.

The previous prime is 671999. The next prime is 672019. The reversal of 672013 is 310276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 672013 - 2⁵ = 671981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253 + ... + 1186.

It is an arithmetic number, because the mean of its divisors is an integer number (168480).

2⁶⁷²⁰¹³ is an apocalyptic number.

It is an amenable number.

672013 is a deficient number, since it is larger than the sum of its proper divisors (1907).

672013 is a wasteful number, since it uses less digits than its factorization.

672013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 672013 is about 819.7639904265. The cubic root of 672013 is about 87.5909476131.

Adding to 672013 its reverse (310276), we get a palindrome (982289).

It can be divided in two parts, 67 and 2013, that added together give a triangular number (2080 = T₆₄).

The spelling of 672013 in words is "six hundred seventy-two thousand, thirteen".