14216081 has 4 divisors (see below), whose sum is σ = 15508464. Its totient is φ = 12923700.

The previous prime is 14216077. The next prime is 14216113. The reversal of 14216081 is 18061241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18061241 = 11 ⋅1641931.

It is a cyclic number.

It is not a de Polignac number, because 14216081 - 2² = 14216077 is a prime.

It is a super-2 number, since 2×14216081² = 404193917997122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14216021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646175 + ... + 646196.

It is an arithmetic number, because the mean of its divisors is an integer number (3877116).

Almost surely, 2^14216081 is an apocalyptic number.

14216081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14216081 is a deficient number, since it is larger than the sum of its proper divisors (1292383).

14216081 is a wasteful number, since it uses less digits than its factorization.

14216081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292382.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 14216081 is about 3770.4218596863. The cubic root of 14216081 is about 242.2478677485.

It can be divided in two parts, 142160 and 81, that added together give a palindrome (142241).

The spelling of 14216081 in words is "fourteen million, two hundred sixteen thousand, eighty-one".