26399014 has 4 divisors (see below), whose sum is σ = 39598524. Its totient is φ = 13199506.

The previous prime is 26398997. The next prime is 26399017. The reversal of 26399014 is 41099362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41099362 = 2 ⋅20549681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26399017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6599752 + ... + 6599755.

It is an arithmetic number, because the mean of its divisors is an integer number (9899631).

Almost surely, 2^26399014 is an apocalyptic number.

26399014 is a deficient number, since it is larger than the sum of its proper divisors (13199510).

26399014 is a wasteful number, since it uses less digits than its factorization.

26399014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13199509.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 26399014 is about 5137.9970805753. The cubic root of 26399014 is about 297.7574035692.

The spelling of 26399014 in words is "twenty-six million, three hundred ninety-nine thousand, fourteen".