14977997 has 8 divisors (see below), whose sum is σ = 15499512. Its totient is φ = 14464000.

The previous prime is 14977987. The next prime is 14978009. The reversal of 14977997 is 79977941.

It can be written as a sum of positive squares in 4 ways, for example, as 32041 + 14945956 = 179^2 + 3866^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14977997 - 2⁸ = 14977741 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 (14977987) 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 7 ways as a sum of consecutive naturals, for example, 2333 + ... + 5949.

It is an arithmetic number, because the mean of its divisors is an integer number (1937439).

Almost surely, 2^14977997 is an apocalyptic number.

It is an amenable number.

14977997 is a deficient number, since it is larger than the sum of its proper divisors (521515).

14977997 is a wasteful number, since it uses less digits than its factorization.

14977997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759.

The product of its digits is 1000188, while the sum is 53.

The square root of 14977997 is about 3870.1417286709. The cubic root of 14977997 is about 246.5005616139.

The spelling of 14977997 in words is "fourteen million, nine hundred seventy-seven thousand, nine hundred ninety-seven".