14001240 has 64 divisors (see below), whose sum is σ = 45826560. Its totient is φ = 3393920.

The previous prime is 14001223. The next prime is 14001257. The reversal of 14001240 is 4210041.

It is an interprime number because it is at equal distance from previous prime (14001223) and next prime (14001257).

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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3984 + ... + 6623.

It is an arithmetic number, because the mean of its divisors is an integer number (716040).

Almost surely, 2^14001240 is an apocalyptic number.

14001240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14001240 is an abundant number, since it is smaller than the sum of its proper divisors (31825320).

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

14001240 is a wasteful number, since it uses less digits than its factorization.

14001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10632 (or 10628 counting only the distinct ones).

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

The square root of 14001240 is about 3741.8230850750. The cubic root of 14001240 is about 241.0213418656.

Adding to 14001240 its reverse (4210041), we get a palindrome (18211281).

It can be divided in two parts, 14001 and 240, that added together give a palindrome (14241).

The spelling of 14001240 in words is "fourteen million, one thousand, two hundred forty".