26949712 has 20 divisors (see below), whose sum is σ = 52446420. Its totient is φ = 13415168.

The previous prime is 26949701. The next prime is 26949719. The reversal of 26949712 is 21794962.

It can be written as a sum of positive squares in 2 ways, for example, as 18974736 + 7974976 = 4356^2 + 2824^2 .

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26949719) 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 3 ways as a sum of consecutive naturals, for example, 114 + ... + 7342.

It is an arithmetic number, because the mean of its divisors is an integer number (2622321).

Almost surely, 2^26949712 is an apocalyptic number.

It is an amenable number.

26949712 is a deficient number, since it is larger than the sum of its proper divisors (25496708).

26949712 is a wasteful number, since it uses less digits than its factorization.

26949712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7470 (or 7464 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 26949712 is about 5191.3112023842. The cubic root of 26949712 is about 299.8136323958.

The spelling of 26949712 in words is "twenty-six million, nine hundred forty-nine thousand, seven hundred twelve".