14513640 has 32 divisors (see below), whose sum is σ = 43541280. Its totient is φ = 3870272.

The previous prime is 14513623. The next prime is 14513651. The reversal of 14513640 is 4631541.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 14513640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60354 + ... + 60593.

It is an arithmetic number, because the mean of its divisors is an integer number (1360665).

Almost surely, 2^14513640 is an apocalyptic number.

14513640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14513640 is an abundant number, since it is smaller than the sum of its proper divisors (29027640).

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

14513640 is a wasteful number, since it uses less digits than its factorization.

14513640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120961 (or 120957 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 14513640 is about 3809.6771516757. The cubic root of 14513640 is about 243.9263864649.

The spelling of 14513640 in words is "fourteen million, five hundred thirteen thousand, six hundred forty".