26613345 has 64 divisors (see below), whose sum is σ = 49471488. Its totient is φ = 12196800.

The previous prime is 26613343. The next prime is 26613359. The reversal of 26613345 is 54331662.

It is not a de Polignac number, because 26613345 - 2¹ = 26613343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26613341) 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 in 63 ways as a sum of consecutive naturals, for example, 618894 + ... + 618936.

It is an arithmetic number, because the mean of its divisors is an integer number (772992).

Almost surely, 2^26613345 is an apocalyptic number.

It is an amenable number.

26613345 is a deficient number, since it is larger than the sum of its proper divisors (22858143).

26613345 is a wasteful number, since it uses less digits than its factorization.

26613345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 93 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 26613345 is about 5158.8123633255. The cubic root of 26613345 is about 298.5610535902.

It can be divided in two parts, 2661 and 3345, that added together give a palindrome (6006).

The spelling of 26613345 in words is "twenty-six million, six hundred thirteen thousand, three hundred forty-five".