106865213 has 32 divisors (see below), whose sum is σ = 143103744. Its totient is φ = 77386752.

The previous prime is 106865207. The next prime is 106865221. The reversal of 106865213 is 312568601.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 106865213 - 2⁴ = 106865197 is a prime.

It is a super-2 number, since 2×106865213² = 22840347499070738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106865213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106865273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56306 + ... + 58172.

It is an arithmetic number, because the mean of its divisors is an integer number (4471992).

Almost surely, 2^106865213 is an apocalyptic number.

106865213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

106865213 is a deficient number, since it is larger than the sum of its proper divisors (36238531).

106865213 is a wasteful number, since it uses less digits than its factorization.

106865213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 106865213 is about 10337.5632041599. The cubic root of 106865213 is about 474.5465116004.

The spelling of 106865213 in words is "one hundred six million, eight hundred sixty-five thousand, two hundred thirteen".