14897977 has 4 divisors (see below), whose sum is σ = 15065460. Its totient is φ = 14730496.

The previous prime is 14897947. The next prime is 14897983. The reversal of 14897977 is 77979841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77979841 = 73 ⋅1068217.

It can be written as a sum of positive squares in 2 ways, for example, as 2359296 + 12538681 = 1536^2 + 3541^2 .

It is a cyclic number.

It is not a de Polignac number, because 14897977 - 2¹¹ = 14895929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14897947) 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, 83608 + ... + 83785.

It is an arithmetic number, because the mean of its divisors is an integer number (3766365).

Almost surely, 2^14897977 is an apocalyptic number.

It is an amenable number.

14897977 is a deficient number, since it is larger than the sum of its proper divisors (167483).

14897977 is an equidigital number, since it uses as much as digits as its factorization.

14897977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167482.

The product of its digits is 889056, while the sum is 52.

The square root of 14897977 is about 3859.7897611139. The cubic root of 14897977 is about 246.0608008437.

The spelling of 14897977 in words is "fourteen million, eight hundred ninety-seven thousand, nine hundred seventy-seven".