14720649 has 16 divisors (see below), whose sum is σ = 20873280. Its totient is φ = 9201600.

The previous prime is 14720647. The next prime is 14720653. The reversal of 14720649 is 94602741.

It is a happy number.

It is not a de Polignac number, because 14720649 - 2¹ = 14720647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14720647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4479 + ... + 7035.

It is an arithmetic number, because the mean of its divisors is an integer number (1304580).

Almost surely, 2^14720649 is an apocalyptic number.

14720649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14720649 is a deficient number, since it is larger than the sum of its proper divisors (6152631).

14720649 is a wasteful number, since it uses less digits than its factorization.

14720649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 14720649 is about 3836.7497963771. The cubic root of 14720649 is about 245.0806287449.

The spelling of 14720649 in words is "fourteen million, seven hundred twenty thousand, six hundred forty-nine".