14493780 has 72 divisors (see below), whose sum is σ = 50249472. Its totient is φ = 3312576.

The previous prime is 14493761. The next prime is 14493793. The reversal of 14493780 is 8739441.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4492 + ... + 7011.

Almost surely, 2^14493780 is an apocalyptic number.

14493780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14493780 is an abundant number, since it is smaller than the sum of its proper divisors (35755692).

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

14493780 is a wasteful number, since it uses less digits than its factorization.

14493780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11525 (or 11520 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 14493780 is about 3807.0697393140. The cubic root of 14493780 is about 243.8150753271.

The spelling of 14493780 in words is "fourteen million, four hundred ninety-three thousand, seven hundred eighty".