26934013 has 2 divisors, whose sum is σ = 26934014. Its totient is φ = 26934012.

The previous prime is 26933987. The next prime is 26934029. The reversal of 26934013 is 31043962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15657849 + 11276164 = 3957^2 + 3358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26934013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26931013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13467006 + 13467007.

It is an arithmetic number, because the mean of its divisors is an integer number (13467007).

Almost surely, 2^26934013 is an apocalyptic number.

It is an amenable number.

26934013 is a deficient number, since it is larger than the sum of its proper divisors (1).

26934013 is an equidigital number, since it uses as much as digits as its factorization.

26934013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 26934013 is about 5189.7989363751. The cubic root of 26934013 is about 299.7554043344.

Adding to 26934013 its reverse (31043962), we get a palindrome (57977975).

The spelling of 26934013 in words is "twenty-six million, nine hundred thirty-four thousand, thirteen".