14929780 has 24 divisors (see below), whose sum is σ = 32434920. Its totient is φ = 5765760.

The previous prime is 14929777. The next prime is 14929793. The reversal of 14929780 is 8792941.

It can be written as a sum of positive squares in 4 ways, for example, as 2735716 + 12194064 = 1654^2 + 3492^2 .

It is a congruent number.

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, 12291 + ... + 13450.

It is an arithmetic number, because the mean of its divisors is an integer number (1351455).

Almost surely, 2^14929780 is an apocalyptic number.

14929780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14929780 is an abundant number, since it is smaller than the sum of its proper divisors (17505140).

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

14929780 is a wasteful number, since it uses less digits than its factorization.

14929780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25779 (or 25777 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 14929780 is about 3863.9073487857. The cubic root of 14929780 is about 246.2357666539.

It can be divided in two parts, 149 and 29780, that added together give a square (29929 = 173²).

The spelling of 14929780 in words is "fourteen million, nine hundred twenty-nine thousand, seven hundred eighty".