21327095 has 16 divisors (see below), whose sum is σ = 28278720. Its totient is φ = 15358464.

The previous prime is 21327091. The next prime is 21327107. The reversal of 21327095 is 59072312.

It is a cyclic number.

It is not a de Polignac number, because 21327095 - 2² = 21327091 is a prime.

It is a super-2 number, since 2×21327095² = 909689962278050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21327091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3500 + ... + 7409.

It is an arithmetic number, because the mean of its divisors is an integer number (1767420).

Almost surely, 2^21327095 is an apocalyptic number.

21327095 is a deficient number, since it is larger than the sum of its proper divisors (6951625).

21327095 is a wasteful number, since it uses less digits than its factorization.

21327095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 21327095 is about 4618.1267847473. The cubic root of 21327095 is about 277.3174732375.

The spelling of 21327095 in words is "twenty-one million, three hundred twenty-seven thousand, ninety-five".