14890665 has 16 divisors (see below), whose sum is σ = 23980608. Its totient is φ = 7889856.

The previous prime is 14890663. The next prime is 14890669. The reversal of 14890665 is 56609841.

It is not a de Polignac number, because 14890665 - 2¹ = 14890663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14890663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 807 + ... + 5516.

It is an arithmetic number, because the mean of its divisors is an integer number (1498788).

Almost surely, 2^14890665 is an apocalyptic number.

14890665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14890665 is a deficient number, since it is larger than the sum of its proper divisors (9089943).

14890665 is a wasteful number, since it uses less digits than its factorization.

14890665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6488.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 14890665 is about 3858.8424430132. The cubic root of 14890665 is about 246.0205383077.

The spelling of 14890665 in words is "fourteen million, eight hundred ninety thousand, six hundred sixty-five".