26213612 has 18 divisors (see below), whose sum is σ = 47157012. Its totient is φ = 12749904.

The previous prime is 26213611. The next prime is 26213623. The reversal of 26213612 is 21631262.

It is not an unprimeable number, because it can be changed into a prime (26213611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3083 + ... + 7869.

It is an arithmetic number, because the mean of its divisors is an integer number (2619834).

Almost surely, 2^26213612 is an apocalyptic number.

It is an amenable number.

26213612 is a deficient number, since it is larger than the sum of its proper divisors (20943400).

26213612 is a wasteful number, since it uses less digits than its factorization.

26213612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865 (or 4826 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 26213612 is about 5119.9230462967. The cubic root of 26213612 is about 297.0587087817.

Adding to 26213612 its reverse (21631262), we get a palindrome (47844874).

The spelling of 26213612 in words is "twenty-six million, two hundred thirteen thousand, six hundred twelve".