26028013 has 4 divisors (see below), whose sum is σ = 28394208. Its totient is φ = 23661820.

The previous prime is 26028011. The next prime is 26028017. The reversal of 26028013 is 31082062.

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 26028013 - 2¹ = 26028011 is a prime.

It is a super-4 number, since 4×26028013⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26028011) 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, 1183081 + ... + 1183102.

It is an arithmetic number, because the mean of its divisors is an integer number (7098552).

Almost surely, 2^26028013 is an apocalyptic number.

It is an amenable number.

26028013 is a deficient number, since it is larger than the sum of its proper divisors (2366195).

26028013 is a wasteful number, since it uses less digits than its factorization.

26028013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366194.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 26028013 is about 5101.7656747444. The cubic root of 26028013 is about 296.3559640403.

The spelling of 26028013 in words is "twenty-six million, twenty-eight thousand, thirteen".