26831013 has 8 divisors (see below), whose sum is σ = 39026976. Its totient is φ = 16261200.

The previous prime is 26830967. The next prime is 26831023. The reversal of 26831013 is 31013862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26831013 - 2⁸ = 26830757 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26831023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406498 + ... + 406563.

It is an arithmetic number, because the mean of its divisors is an integer number (4878372).

Almost surely, 2^26831013 is an apocalyptic number.

It is an amenable number.

26831013 is a deficient number, since it is larger than the sum of its proper divisors (12195963).

26831013 is a wasteful number, since it uses less digits than its factorization.

26831013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813075.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 26831013 is about 5179.8661179610. The cubic root of 26831013 is about 299.3728119197.

Adding to 26831013 its reverse (31013862), we get a palindrome (57844875).

The spelling of 26831013 in words is "twenty-six million, eight hundred thirty-one thousand, thirteen".