14021040 has 160 divisors (see below), whose sum is σ = 48854016. Its totient is φ = 3297280.

The previous prime is 14021027. The next prime is 14021089. The reversal of 14021040 is 4012041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 124024 + ... + 124136.

Almost surely, 2^14021040 is an apocalyptic number.

14021040 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 14021040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24427008).

14021040 is an abundant number, since it is smaller than the sum of its proper divisors (34832976).

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

14021040 is a wasteful number, since it uses less digits than its factorization.

14021040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 14021040 is about 3744.4679194780. The cubic root of 14021040 is about 241.1349026352.

Adding to 14021040 its reverse (4012041), we get a palindrome (18033081).

It can be divided in two parts, 1402 and 1040, that added together give a palindrome (2442).

The spelling of 14021040 in words is "fourteen million, twenty-one thousand, forty".