14691897 has 12 divisors (see below), whose sum is σ = 23151024. Its totient is φ = 8904120.

The previous prime is 14691881. The next prime is 14691931. The reversal of 14691897 is 79819641.

It is a happy number.

14691897 is a `hidden beast` number, since 1 + 469 + 189 + 7 = 666.

It is not a de Polignac number, because 14691897 - 2⁴ = 14691881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14691857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74103 + ... + 74300.

It is an arithmetic number, because the mean of its divisors is an integer number (1929252).

Almost surely, 2^14691897 is an apocalyptic number.

It is an amenable number.

14691897 is a deficient number, since it is larger than the sum of its proper divisors (8459127).

14691897 is a wasteful number, since it uses less digits than its factorization.

14691897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148420 (or 148417 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 14691897 is about 3833.0010435689. The cubic root of 14691897 is about 244.9209629824.

The spelling of 14691897 in words is "fourteen million, six hundred ninety-one thousand, eight hundred ninety-seven".