21314067 has 16 divisors (see below), whose sum is σ = 30096000. Its totient is φ = 13379904.

The previous prime is 21314053. The next prime is 21314087. The reversal of 21314067 is 76041312.

It is not a de Polignac number, because 21314067 - 2¹¹ = 21312019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21314087) 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 15 ways as a sum of consecutive naturals, for example, 9159 + ... + 11247.

It is an arithmetic number, because the mean of its divisors is an integer number (1881000).

Almost surely, 2^21314067 is an apocalyptic number.

21314067 is a deficient number, since it is larger than the sum of its proper divisors (8781933).

21314067 is a wasteful number, since it uses less digits than its factorization.

21314067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 21314067 is about 4616.7160406505. The cubic root of 21314067 is about 277.2609937849.

Adding to 21314067 its reverse (76041312), we get a palindrome (97355379).

The spelling of 21314067 in words is "twenty-one million, three hundred fourteen thousand, sixty-seven".