21195014 has 8 divisors (see below), whose sum is σ = 32035608. Its totient is φ = 10516480.

The previous prime is 21195007. The next prime is 21195017. The reversal of 21195014 is 41059112.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21195017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40187 + ... + 40710.

It is an arithmetic number, because the mean of its divisors is an integer number (4004451).

Almost surely, 2^21195014 is an apocalyptic number.

21195014 is a deficient number, since it is larger than the sum of its proper divisors (10840594).

21195014 is a wasteful number, since it uses less digits than its factorization.

21195014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81030.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 21195014 is about 4603.8042964488. The cubic root of 21195014 is about 276.7438016568.

The spelling of 21195014 in words is "twenty-one million, one hundred ninety-five thousand, fourteen".