26274013 has 4 divisors (see below), whose sum is σ = 26290908. Its totient is φ = 26257120.

The previous prime is 26273999. The next prime is 26274041. The reversal of 26274013 is 31047262.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13118884 + 13155129 = 3622^2 + 3627^2 .

It is a cyclic number.

It is not a de Polignac number, because 26274013 - 2⁹ = 26273501 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 (26274113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5848 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (6572727).

Almost surely, 2^26274013 is an apocalyptic number.

It is an amenable number.

26274013 is a deficient number, since it is larger than the sum of its proper divisors (16895).

26274013 is a wasteful number, since it uses less digits than its factorization.

26274013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16894.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 26274013 is about 5125.8182761389. The cubic root of 26274013 is about 297.2866931285.

The spelling of 26274013 in words is "twenty-six million, two hundred seventy-four thousand, thirteen".