14021630 has 32 divisors (see below), whose sum is σ = 28975104. Its totient is φ = 4785696.

The previous prime is 14021629. The next prime is 14021647. The reversal of 14021630 is 3612041.

It is a super-2 number, since 2×14021630² = 393212215713800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14021599 and 14021608.

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, 26549 + ... + 27071.

It is an arithmetic number, because the mean of its divisors is an integer number (905472).

Almost surely, 2^14021630 is an apocalyptic number.

14021630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14021630 is an abundant number, since it is smaller than the sum of its proper divisors (14953474).

14021630 is a wasteful number, since it uses less digits than its factorization.

14021630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 14021630 is about 3744.5467015381. The cubic root of 14021630 is about 241.1382848759.

Adding to 14021630 its reverse (3612041), we get a palindrome (17633671).

The spelling of 14021630 in words is "fourteen million, twenty-one thousand, six hundred thirty".