14897971 has 4 divisors (see below), whose sum is σ = 16252344. Its totient is φ = 13543600.

The previous prime is 14897947. The next prime is 14897983. The reversal of 14897971 is 17979841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17979841 = 11 ⋅1634531.

It is a cyclic number.

It is not a de Polignac number, because 14897971 - 2⁹ = 14897459 is a prime.

It is a super-3 number, since 3×14897971³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14897941) 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, 677170 + ... + 677191.

It is an arithmetic number, because the mean of its divisors is an integer number (4063086).

Almost surely, 2^14897971 is an apocalyptic number.

14897971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14897971 is a deficient number, since it is larger than the sum of its proper divisors (1354373).

14897971 is a wasteful number, since it uses less digits than its factorization.

14897971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354372.

The product of its digits is 127008, while the sum is 46.

The square root of 14897971 is about 3859.7889838695. The cubic root of 14897971 is about 246.0607678110.

The spelling of 14897971 in words is "fourteen million, eight hundred ninety-seven thousand, nine hundred seventy-one".