14123890 has 16 divisors (see below), whose sum is σ = 27734400. Its totient is φ = 5135920.

The previous prime is 14123881. The next prime is 14123939. The reversal of 14123890 is 9832141.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

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 7 ways as a sum of consecutive naturals, for example, 64090 + ... + 64309.

It is an arithmetic number, because the mean of its divisors is an integer number (1733400).

Almost surely, 2^14123890 is an apocalyptic number.

14123890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14123890 is a deficient number, since it is larger than the sum of its proper divisors (13610510).

14123890 is a wasteful number, since it uses less digits than its factorization.

14123890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128417.

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

The square root of 14123890 is about 3758.1764194886. The cubic root of 14123890 is about 241.7230741628.

It can be divided in two parts, 14 and 123890, that added together give a square (123904 = 352²).

The spelling of 14123890 in words is "fourteen million, one hundred twenty-three thousand, eight hundred ninety".