14538780 has 108 divisors (see below), whose sum is σ = 46093320. Its totient is φ = 3708288.

The previous prime is 14538779. The next prime is 14538793. The reversal of 14538780 is 8783541.

It is a super-2 number, since 2×14538780² = 422752247776800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 246391 + ... + 246449.

It is an arithmetic number, because the mean of its divisors is an integer number (426790).

Almost surely, 2^14538780 is an apocalyptic number.

14538780 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 14538780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23046660).

14538780 is an abundant number, since it is smaller than the sum of its proper divisors (31554540).

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

14538780 is a wasteful number, since it uses less digits than its factorization.

14538780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 14538780 is about 3812.9752162845. The cubic root of 14538780 is about 244.0671453657.

The spelling of 14538780 in words is "fourteen million, five hundred thirty-eight thousand, seven hundred eighty".