26855413 has 4 divisors (see below), whose sum is σ = 28921228. Its totient is φ = 24789600.

The previous prime is 26855407. The next prime is 26855419. The reversal of 26855413 is 31455862.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (26855407) and next prime (26855419).

It can be written as a sum of positive squares in 2 ways, for example, as 15069924 + 11785489 = 3882^2 + 3433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26855413 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 (26855419) 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, 1032888 + ... + 1032913.

It is an arithmetic number, because the mean of its divisors is an integer number (7230307).

Almost surely, 2^26855413 is an apocalyptic number.

It is an amenable number.

26855413 is a deficient number, since it is larger than the sum of its proper divisors (2065815).

26855413 is a wasteful number, since it uses less digits than its factorization.

26855413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065814.

The product of its digits is 28800, while the sum is 34.

The square root of 26855413 is about 5182.2208559651. The cubic root of 26855413 is about 299.4635338446.

The spelling of 26855413 in words is "twenty-six million, eight hundred fifty-five thousand, four hundred thirteen".