14021616 has 80 divisors (see below), whose sum is σ = 42854400. Its totient is φ = 3865344.

The previous prime is 14021603. The next prime is 14021629. The reversal of 14021616 is 61612041.

It is an interprime number because it is at equal distance from previous prime (14021603) and next prime (14021629).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 14021592 and 14021601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9025 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 2^14021616 is an apocalyptic number.

14021616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14021616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21427200).

14021616 is an abundant number, since it is smaller than the sum of its proper divisors (28832784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14021616 is a wasteful number, since it uses less digits than its factorization.

14021616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 14021616 is about 3744.5448321525. The cubic root of 14021616 is about 241.1382046205.

Adding to 14021616 its reverse (61612041), we get a palindrome (75633657).

The spelling of 14021616 in words is "fourteen million, twenty-one thousand, six hundred sixteen".