26206213 has 16 divisors (see below), whose sum is σ = 29465856. Its totient is φ = 23103040.

The previous prime is 26206211. The next prime is 26206237. The reversal of 26206213 is 31260262.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26206213 - 2¹ = 26206211 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 (26206211) 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 15 ways as a sum of consecutive naturals, for example, 89295 + ... + 89587.

It is an arithmetic number, because the mean of its divisors is an integer number (1841616).

Almost surely, 2^26206213 is an apocalyptic number.

It is an amenable number.

26206213 is a deficient number, since it is larger than the sum of its proper divisors (3259643).

26206213 is a wasteful number, since it uses less digits than its factorization.

26206213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 26206213 is about 5119.2004258478. The cubic root of 26206213 is about 297.0307570924.

Adding to 26206213 its reverse (31260262), we get a palindrome (57466475).

The spelling of 26206213 in words is "twenty-six million, two hundred six thousand, two hundred thirteen".