206612013 has 8 divisors (see below), whose sum is σ = 287460288. Its totient is φ = 131752544.

The previous prime is 206611991. The next prime is 206612017. The reversal of 206612013 is 310216602.

It is a happy number.

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 206612013 - 2⁵ = 206611981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206612017) 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, 1497120 + ... + 1497257.

It is an arithmetic number, because the mean of its divisors is an integer number (35932536).

Almost surely, 2^206612013 is an apocalyptic number.

206612013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

206612013 is a deficient number, since it is larger than the sum of its proper divisors (80848275).

206612013 is a wasteful number, since it uses less digits than its factorization.

206612013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994403.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 206612013 is about 14374.0047655481. The cubic root of 206612013 is about 591.1783526690.

Adding to 206612013 its reverse (310216602), we get a palindrome (516828615).

The spelling of 206612013 in words is "two hundred six million, six hundred twelve thousand, thirteen".