14936809 has 4 divisors (see below), whose sum is σ = 14948820. Its totient is φ = 14924800.

The previous prime is 14936807. The next prime is 14936813. The reversal of 14936809 is 90863941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90863941 = 7 ⋅12980563.

It can be written as a sum of positive squares in 2 ways, for example, as 5419584 + 9517225 = 2328^2 + 3085^2 .

It is a cyclic number.

It is not a de Polignac number, because 14936809 - 2¹ = 14936807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14936807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3892 + ... + 6709.

It is an arithmetic number, because the mean of its divisors is an integer number (3737205).

Almost surely, 2^14936809 is an apocalyptic number.

It is an amenable number.

14936809 is a deficient number, since it is larger than the sum of its proper divisors (12011).

14936809 is a wasteful number, since it uses less digits than its factorization.

14936809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12010.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 14936809 is about 3864.8168132526. The cubic root of 14936809 is about 246.2744035183.

The spelling of 14936809 in words is "fourteen million, nine hundred thirty-six thousand, eight hundred nine".