21014882 has 16 divisors (see below), whose sum is σ = 36162240. Its totient is φ = 8972208.

The previous prime is 21014867. The next prime is 21014887. The reversal of 21014882 is 28841012.

It is not an unprimeable number, because it can be changed into a prime (21014887) 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, 1169 + ... + 6587.

It is an arithmetic number, because the mean of its divisors is an integer number (2260140).

Almost surely, 2^21014882 is an apocalyptic number.

21014882 is a deficient number, since it is larger than the sum of its proper divisors (15147358).

21014882 is a wasteful number, since it uses less digits than its factorization.

21014882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 21014882 is about 4584.1991667029. The cubic root of 21014882 is about 275.9575741691.

Adding to 21014882 its reverse (28841012), we get a palindrome (49855894).

The spelling of 21014882 in words is "twenty-one million, fourteen thousand, eight hundred eighty-two".