26913413 has 2 divisors, whose sum is σ = 26913414. Its totient is φ = 26913412.

The previous prime is 26913407. The next prime is 26913457. The reversal of 26913413 is 31431962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22448644 + 4464769 = 4738^2 + 2113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26913413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26913113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13456706 + 13456707.

It is an arithmetic number, because the mean of its divisors is an integer number (13456707).

Almost surely, 2^26913413 is an apocalyptic number.

It is an amenable number.

26913413 is a deficient number, since it is larger than the sum of its proper divisors (1).

26913413 is an equidigital number, since it uses as much as digits as its factorization.

26913413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 26913413 is about 5187.8138941176. The cubic root of 26913413 is about 299.6789639829.

The spelling of 26913413 in words is "twenty-six million, nine hundred thirteen thousand, four hundred thirteen".