14313640 has 32 divisors (see below), whose sum is σ = 35134560. Its totient is φ = 5204800.

The previous prime is 14313587. The next prime is 14313647. The reversal of 14313640 is 4631341.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (14313647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15826 + ... + 16705.

It is an arithmetic number, because the mean of its divisors is an integer number (1097955).

Almost surely, 2^14313640 is an apocalyptic number.

14313640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14313640 is an abundant number, since it is smaller than the sum of its proper divisors (20820920).

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

14313640 is a wasteful number, since it uses less digits than its factorization.

14313640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32553 (or 32549 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 14313640 is about 3783.3371512462. The cubic root of 14313640 is about 242.8007534262.

Adding to 14313640 its reverse (4631341), we get a palindrome (18944981).

The spelling of 14313640 in words is "fourteen million, three hundred thirteen thousand, six hundred forty".