14708991 has 16 divisors (see below), whose sum is σ = 21748608. Its totient is φ = 8767200.

The previous prime is 14708987. The next prime is 14709001. The reversal of 14708991 is 19980741.

It is a happy number.

It is not a de Polignac number, because 14708991 - 2² = 14708987 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14708921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1641 + ... + 5666.

It is an arithmetic number, because the mean of its divisors is an integer number (1359288).

Almost surely, 2^14708991 is an apocalyptic number.

14708991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14708991 is a deficient number, since it is larger than the sum of its proper divisors (7039617).

14708991 is a wasteful number, since it uses less digits than its factorization.

14708991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7382.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 14708991 is about 3835.2302408069. The cubic root of 14708991 is about 245.0159145569.

The spelling of 14708991 in words is "fourteen million, seven hundred eight thousand, nine hundred ninety-one".