26987712 has 56 divisors (see below), whose sum is σ = 71786496. Its totient is φ = 8947968.

The previous prime is 26987711. The next prime is 26987713. The reversal of 26987712 is 21778962.

It is an interprime number because it is at equal distance from previous prime (26987711) and next prime (26987713).

It is not an unprimeable number, because it can be changed into a prime (26987711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70273 + ... + 70655.

Almost surely, 2^26987712 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 26987712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35893248).

26987712 is an abundant number, since it is smaller than the sum of its proper divisors (44798784).

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

26987712 is a wasteful number, since it uses less digits than its factorization.

26987712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 755 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 26987712 is about 5194.9698747923. The cubic root of 26987712 is about 299.9544819829.

The spelling of 26987712 in words is "twenty-six million, nine hundred eighty-seven thousand, seven hundred twelve".