26118612 has 126 divisors (see below), whose sum is σ = 75607182. Its totient is φ = 7884864.

The previous prime is 26118611. The next prime is 26118619. The reversal of 26118612 is 21681162.

It can be written as a sum of positive squares in 3 ways, for example, as 352836 + 25765776 = 594^2 + 5076^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26118611) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 492778 + ... + 492830.

It is an arithmetic number, because the mean of its divisors is an integer number (600057).

Almost surely, 2^26118612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26118612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37803591).

26118612 is an abundant number, since it is smaller than the sum of its proper divisors (49488570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26118612 is a wasteful number, since it uses less digits than its factorization.

26118612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 71 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 26118612 is about 5110.6371422749. The cubic root of 26118612 is about 296.6994204182.

Adding to 26118612 its reverse (21681162), we get a palindrome (47799774).

The spelling of 26118612 in words is "twenty-six million, one hundred eighteen thousand, six hundred twelve".