26556213 has 4 divisors (see below), whose sum is σ = 35408288. Its totient is φ = 17704140.

The previous prime is 26556203. The next prime is 26556247. The reversal of 26556213 is 31265562.

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 not a de Polignac number, because 26556213 - 2⁶ = 26556149 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 (26556203) 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, 4426033 + ... + 4426038.

It is an arithmetic number, because the mean of its divisors is an integer number (8852072).

Almost surely, 2^26556213 is an apocalyptic number.

It is an amenable number.

26556213 is a deficient number, since it is larger than the sum of its proper divisors (8852075).

26556213 is an equidigital number, since it uses as much as digits as its factorization.

26556213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852074.

The product of its digits is 10800, while the sum is 30.

The square root of 26556213 is about 5153.2720673374. The cubic root of 26556213 is about 298.3472559555.

The spelling of 26556213 in words is "twenty-six million, five hundred fifty-six thousand, two hundred thirteen".