14988997 has 4 divisors (see below), whose sum is σ = 15008076. Its totient is φ = 14969920.

The previous prime is 14988989. The next prime is 14989003. The reversal of 14988997 is 79988941.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4322241 + 10666756 = 2079^2 + 3266^2 .

It is a cyclic number.

It is not a de Polignac number, because 14988997 - 2³ = 14988989 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 (14988937) 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 3 ways as a sum of consecutive naturals, for example, 8308 + ... + 9949.

It is an arithmetic number, because the mean of its divisors is an integer number (3752019).

Almost surely, 2^14988997 is an apocalyptic number.

It is an amenable number.

14988997 is a deficient number, since it is larger than the sum of its proper divisors (19079).

14988997 is an equidigital number, since it uses as much as digits as its factorization.

14988997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19078.

The product of its digits is 1306368, while the sum is 55.

The square root of 14988997 is about 3871.5626044273. The cubic root of 14988997 is about 246.5608910572.

The spelling of 14988997 in words is "fourteen million, nine hundred eighty-eight thousand, nine hundred ninety-seven".