26021013 has 16 divisors (see below), whose sum is σ = 36664320. Its totient is φ = 16369776.

The previous prime is 26020979. The next prime is 26021029. The reversal of 26021013 is 31012062.

It is not a de Polignac number, because 26021013 - 2⁶ = 26020949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26020983 and 26021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26021113) 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 15 ways as a sum of consecutive naturals, for example, 16756 + ... + 18242.

It is an arithmetic number, because the mean of its divisors is an integer number (2291520).

Almost surely, 2^26021013 is an apocalyptic number.

It is an amenable number.

26021013 is a deficient number, since it is larger than the sum of its proper divisors (10643307).

26021013 is a wasteful number, since it uses less digits than its factorization.

26021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 26021013 is about 5101.0795916159. The cubic root of 26021013 is about 296.3293942345.

Adding to 26021013 its reverse (31012062), we get a palindrome (57033075).

The spelling of 26021013 in words is "twenty-six million, twenty-one thousand, thirteen".