14321665 has 8 divisors (see below), whose sum is σ = 17252928. Its totient is φ = 11412720.

The previous prime is 14321653. The next prime is 14321677. The reversal of 14321665 is 56612341.

It is an interprime number because it is at equal distance from previous prime (14321653) and next prime (14321677).

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

It is a de Polignac number, because none of the positive numbers 2^k-14321665 is a prime.

It is a super-2 number, since 2×14321665² = 410220176744450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4131 + ... + 6760.

It is an arithmetic number, because the mean of its divisors is an integer number (2156616).

Almost surely, 2^14321665 is an apocalyptic number.

It is an amenable number.

14321665 is a deficient number, since it is larger than the sum of its proper divisors (2931263).

14321665 is a wasteful number, since it uses less digits than its factorization.

14321665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11159.

The product of its digits is 4320, while the sum is 28.

The square root of 14321665 is about 3784.3975742514. The cubic root of 14321665 is about 242.8461206894.

The spelling of 14321665 in words is "fourteen million, three hundred twenty-one thousand, six hundred sixty-five".