14821390 has 16 divisors (see below), whose sum is σ = 27131760. Its totient is φ = 5827840.

The previous prime is 14821381. The next prime is 14821421. The reversal of 14821390 is 9312841.

It is a happy number.

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, 11971 + ... + 13150.

It is an arithmetic number, because the mean of its divisors is an integer number (1695735).

Almost surely, 2^14821390 is an apocalyptic number.

14821390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14821390 is a deficient number, since it is larger than the sum of its proper divisors (12310370).

14821390 is a wasteful number, since it uses less digits than its factorization.

14821390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25187.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 14821390 is about 3849.8558414569. The cubic root of 14821390 is about 245.6384293193.

The spelling of 14821390 in words is "fourteen million, eight hundred twenty-one thousand, three hundred ninety".