14688870 has 64 divisors (see below), whose sum is σ = 40711680. Its totient is φ = 3322368.

The previous prime is 14688859. The next prime is 14688871. The reversal of 14688870 is 7888641.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14688871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23421 + ... + 24039.

It is an arithmetic number, because the mean of its divisors is an integer number (636120).

Almost surely, 2^14688870 is an apocalyptic number.

14688870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14688870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20355840).

14688870 is an abundant number, since it is smaller than the sum of its proper divisors (26022810).

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

14688870 is a wasteful number, since it uses less digits than its factorization.

14688870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 14688870 is about 3832.6061629132. The cubic root of 14688870 is about 244.9041413136.

The spelling of 14688870 in words is "fourteen million, six hundred eighty-eight thousand, eight hundred seventy".