26123413 has 2 divisors, whose sum is σ = 26123414. Its totient is φ = 26123412.

The previous prime is 26123411. The next prime is 26123431. The reversal of 26123413 is 31432162.

Together with next prime (26123431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24029604 + 2093809 = 4902^2 + 1447^2 .

It is a cyclic number.

It is not a de Polignac number, because 26123413 - 2¹ = 26123411 is a prime.

Together with 26123411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26123411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13061706 + 13061707.

It is an arithmetic number, because the mean of its divisors is an integer number (13061707).

Almost surely, 2^26123413 is an apocalyptic number.

It is an amenable number.

26123413 is a deficient number, since it is larger than the sum of its proper divisors (1).

26123413 is an equidigital number, since it uses as much as digits as its factorization.

26123413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 26123413 is about 5111.1068272929. The cubic root of 26123413 is about 296.7175986002.

Adding to 26123413 its reverse (31432162), we get a palindrome (57555575).

The spelling of 26123413 in words is "twenty-six million, one hundred twenty-three thousand, four hundred thirteen".