27012824 has 8 divisors (see below), whose sum is σ = 50649060. Its totient is φ = 13506408.

The previous prime is 27012767. The next prime is 27012841. The reversal of 27012824 is 42821072.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 27012793 and 27012802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1688294 + ... + 1688309.

Almost surely, 2^27012824 is an apocalyptic number.

It is an amenable number.

27012824 is a deficient number, since it is larger than the sum of its proper divisors (23636236).

27012824 is a wasteful number, since it uses less digits than its factorization.

27012824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376609 (or 3376605 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 27012824 is about 5197.3862661919. The cubic root of 27012824 is about 300.0474887786.

Adding to 27012824 its reverse (42821072), we get a palindrome (69833896).

The spelling of 27012824 in words is "twenty-seven million, twelve thousand, eight hundred twenty-four".