14775997 has 4 divisors (see below), whose sum is σ = 14922396. Its totient is φ = 14629600.

The previous prime is 14775991. The next prime is 14776007. The reversal of 14775997 is 79957741.

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 7695076 + 7080921 = 2774^2 + 2661^2 .

It is a cyclic number.

It is not a de Polignac number, because 14775997 - 2³ = 14775989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14775997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14775991) 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, 73048 + ... + 73249.

It is an arithmetic number, because the mean of its divisors is an integer number (3730599).

Almost surely, 2^14775997 is an apocalyptic number.

It is an amenable number.

14775997 is a deficient number, since it is larger than the sum of its proper divisors (146399).

14775997 is a wasteful number, since it uses less digits than its factorization.

14775997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146398.

The product of its digits is 555660, while the sum is 49.

The square root of 14775997 is about 3843.9559050541. The cubic root of 14775997 is about 245.3874032050.

The spelling of 14775997 in words is "fourteen million, seven hundred seventy-five thousand, nine hundred ninety-seven".