14878897 has 4 divisors (see below), whose sum is σ = 16231536. Its totient is φ = 13526260.

The previous prime is 14878889. The next prime is 14878901. The reversal of 14878897 is 79887841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79887841 = 11 ⋅7262531.

It is not a de Polignac number, because 14878897 - 2³ = 14878889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14878807) 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, 676303 + ... + 676324.

It is an arithmetic number, because the mean of its divisors is an integer number (4057884).

Almost surely, 2^14878897 is an apocalyptic number.

It is an amenable number.

14878897 is a deficient number, since it is larger than the sum of its proper divisors (1352639).

14878897 is a wasteful number, since it uses less digits than its factorization.

14878897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352638.

The product of its digits is 903168, while the sum is 52.

The square root of 14878897 is about 3857.3173320327. The cubic root of 14878897 is about 245.9557117266.

The spelling of 14878897 in words is "fourteen million, eight hundred seventy-eight thousand, eight hundred ninety-seven".