14211740 has 48 divisors (see below), whose sum is σ = 31298400. Its totient is φ = 5413632.

The previous prime is 14211739. The next prime is 14211749. The reversal of 14211740 is 4711241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14211749) 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 15 ways as a sum of consecutive naturals, for example, 61946 + ... + 62174.

It is an arithmetic number, because the mean of its divisors is an integer number (652050).

Almost surely, 2^14211740 is an apocalyptic number.

14211740 is a gapful number since it is divisible by the number (10) 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 14211740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15649200).

14211740 is an abundant number, since it is smaller than the sum of its proper divisors (17086660).

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

14211740 is a wasteful number, since it uses less digits than its factorization.

14211740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 14211740 is about 3769.8461507069. The cubic root of 14211740 is about 242.2232077631.

Adding to 14211740 its reverse (4711241), we get a palindrome (18922981).

The spelling of 14211740 in words is "fourteen million, two hundred eleven thousand, seven hundred forty".