21327195 has 8 divisors (see below), whose sum is σ = 34123536. Its totient is φ = 11374496.

The previous prime is 21327181. The next prime is 21327199. The reversal of 21327195 is 59172312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21327195 - 2⁷ = 21327067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21327199) 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, 710892 + ... + 710921.

It is an arithmetic number, because the mean of its divisors is an integer number (4265442).

Almost surely, 2^21327195 is an apocalyptic number.

21327195 is a deficient number, since it is larger than the sum of its proper divisors (12796341).

21327195 is a wasteful number, since it uses less digits than its factorization.

21327195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421821.

The product of its digits is 3780, while the sum is 30.

The square root of 21327195 is about 4618.1376116352. The cubic root of 21327195 is about 277.3179066722.

The spelling of 21327195 in words is "twenty-one million, three hundred twenty-seven thousand, one hundred ninety-five".