14520999 has 4 divisors (see below), whose sum is σ = 19361336. Its totient is φ = 9680664.

The previous prime is 14520953. The next prime is 14521007. The reversal of 14520999 is 99902541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 14520999 - 2¹² = 14516903 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 (14520299) 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, 2420164 + ... + 2420169.

It is an arithmetic number, because the mean of its divisors is an integer number (4840334).

Almost surely, 2^14520999 is an apocalyptic number.

14520999 is a deficient number, since it is larger than the sum of its proper divisors (4840337).

14520999 is an equidigital number, since it uses as much as digits as its factorization.

14520999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840336.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 14520999 is about 3810.6428591512. The cubic root of 14520999 is about 243.9676063329.

The spelling of 14520999 in words is "fourteen million, five hundred twenty thousand, nine hundred ninety-nine".