14207040 has 84 divisors (see below), whose sum is σ = 48876204. Its totient is φ = 3787776.

The previous prime is 14206999. The next prime is 14207057. The reversal of 14207040 is 4070241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4769856 + 9437184 = 2184^2 + 3072^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414 + ... + 5346.

Almost surely, 2^14207040 is an apocalyptic number.

14207040 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 14207040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24438102).

14207040 is an abundant number, since it is smaller than the sum of its proper divisors (34669164).

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

14207040 is a wasteful number, since it uses less digits than its factorization.

14207040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 14207040 is about 3769.2227315456. Note that the first 3 decimals coincide. The cubic root of 14207040 is about 242.1965027385.

Adding to 14207040 its reverse (4070241), we get a palindrome (18277281).

The spelling of 14207040 in words is "fourteen million, two hundred seven thousand, forty".