14678540 has 24 divisors (see below), whose sum is σ = 31262112. Its totient is φ = 5788160.

The previous prime is 14678527. The next prime is 14678549. The reversal of 14678540 is 4587641.

It is a self number, because there is not a number n which added to its sum of digits gives 14678540.

It is not an unprimeable number, because it can be changed into a prime (14678549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3749 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (1302588).

Almost surely, 2^14678540 is an apocalyptic number.

14678540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14678540 is an abundant number, since it is smaller than the sum of its proper divisors (16583572).

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

14678540 is a wasteful number, since it uses less digits than its factorization.

14678540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10417 (or 10415 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 14678540 is about 3831.2582789470. The cubic root of 14678540 is about 244.8467179480.

The spelling of 14678540 in words is "fourteen million, six hundred seventy-eight thousand, five hundred forty".