14981780 has 24 divisors (see below), whose sum is σ = 34322400. Its totient is φ = 5447840.

The previous prime is 14981741. The next prime is 14981789. The reversal of 14981780 is 8718941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14981789) 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, 33830 + ... + 34269.

It is an arithmetic number, because the mean of its divisors is an integer number (1430100).

Almost surely, 2^14981780 is an apocalyptic number.

14981780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14981780 is an abundant number, since it is smaller than the sum of its proper divisors (19340620).

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

14981780 is a wasteful number, since it uses less digits than its factorization.

14981780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68119 (or 68117 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 14981780 is about 3870.6304396054. The cubic root of 14981780 is about 246.5213127892.

The spelling of 14981780 in words is "fourteen million, nine hundred eighty-one thousand, seven hundred eighty".