26456213 has 4 divisors (see below), whose sum is σ = 30235680. Its totient is φ = 22676748.

The previous prime is 26456203. The next prime is 26456219. The reversal of 26456213 is 31265462.

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 26456213 - 2⁴ = 26456197 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 (26456219) 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, 1889723 + ... + 1889736.

It is an arithmetic number, because the mean of its divisors is an integer number (7558920).

Almost surely, 2^26456213 is an apocalyptic number.

It is an amenable number.

26456213 is a deficient number, since it is larger than the sum of its proper divisors (3779467).

26456213 is an equidigital number, since it uses as much as digits as its factorization.

26456213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779466.

The product of its digits is 8640, while the sum is 29.

The square root of 26456213 is about 5143.5603427976. The cubic root of 26456213 is about 297.9722997239.

Subtracting 26456213 from its reverse (31265462), we obtain a square (4809249 = 2193²).

The spelling of 26456213 in words is "twenty-six million, four hundred fifty-six thousand, two hundred thirteen".