14999965 has 8 divisors (see below), whose sum is σ = 18105048. Its totient is φ = 11929920.

The previous prime is 14999953. The next prime is 14999969. The reversal of 14999965 is 56999941.

14999965 = T₁₀₄ + T₁₀₅ + ... + T₄₄₉.

It can be written as a sum of positive squares in 4 ways, for example, as 7634169 + 7365796 = 2763^2 + 2714^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14999965 - 2¹⁹ = 14475677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14999969) 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 7 ways as a sum of consecutive naturals, for example, 7806 + ... + 9535.

It is an arithmetic number, because the mean of its divisors is an integer number (2263131).

Almost surely, 2^14999965 is an apocalyptic number.

It is an amenable number.

14999965 is a deficient number, since it is larger than the sum of its proper divisors (3105083).

14999965 is a wasteful number, since it uses less digits than its factorization.

14999965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17519.

The product of its digits is 787320, while the sum is 52.

The square root of 14999965 is about 3872.9788277242. The cubic root of 14999965 is about 246.6210156164.

The spelling of 14999965 in words is "fourteen million, nine hundred ninety-nine thousand, nine hundred sixty-five".