26297712 has 90 divisors (see below), whose sum is σ = 85635888. Its totient is φ = 7511616.

The previous prime is 26297681. The next prime is 26297731. The reversal of 26297712 is 21779262.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5193 + ... + 8919.

Almost surely, 2^26297712 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 26297712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42817944).

26297712 is an abundant number, since it is smaller than the sum of its proper divisors (59338176).

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

26297712 is a wasteful number, since it uses less digits than its factorization.

26297712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755 (or 3739 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 26297712 is about 5128.1294835447. The cubic root of 26297712 is about 297.3760498641.

The spelling of 26297712 in words is "twenty-six million, two hundred ninety-seven thousand, seven hundred twelve".