26885013 has 4 divisors (see below), whose sum is σ = 35846688. Its totient is φ = 17923340.

The previous prime is 26885003. The next prime is 26885069. The reversal of 26885013 is 31058862.

It is a happy number.

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 26885013 - 2⁴ = 26884997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26885003) 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, 4480833 + ... + 4480838.

It is an arithmetic number, because the mean of its divisors is an integer number (8961672).

Almost surely, 2^26885013 is an apocalyptic number.

It is an amenable number.

26885013 is a deficient number, since it is larger than the sum of its proper divisors (8961675).

26885013 is an equidigital number, since it uses as much as digits as its factorization.

26885013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961674.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 26885013 is about 5185.0759878713. The cubic root of 26885013 is about 299.5735162148.

Subtracting 26885013 from its reverse (31058862), we obtain a square (4173849 = 2043²).

The spelling of 26885013 in words is "twenty-six million, eight hundred eighty-five thousand, thirteen".