26365013 has 4 divisors (see below), whose sum is σ = 26621088. Its totient is φ = 26108940.

The previous prime is 26365007. The next prime is 26365021. The reversal of 26365013 is 31056362.

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 26365013 - 2⁴ = 26364997 is a prime.

It is a super-2 number, since 2×26365013² = 1390227820980338, which contains 22 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 (26367013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127883 + ... + 128088.

It is an arithmetic number, because the mean of its divisors is an integer number (6655272).

Almost surely, 2^26365013 is an apocalyptic number.

It is an amenable number.

26365013 is a deficient number, since it is larger than the sum of its proper divisors (256075).

26365013 is a wasteful number, since it uses less digits than its factorization.

26365013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256074.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 26365013 is about 5134.6872348761. The cubic root of 26365013 is about 297.6295149662.

The spelling of 26365013 in words is "twenty-six million, three hundred sixty-five thousand, thirteen".