14563897 has 8 divisors (see below), whose sum is σ = 15071112. Its totient is φ = 14064000.

The previous prime is 14563889. The next prime is 14563957. The reversal of 14563897 is 79836541.

It can be written as a sum of positive squares in 4 ways, for example, as 5973136 + 8590761 = 2444^2 + 2931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14563897 - 2³ = 14563889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14563837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383 + ... + 5899.

It is an arithmetic number, because the mean of its divisors is an integer number (1883889).

Almost surely, 2^14563897 is an apocalyptic number.

It is an amenable number.

14563897 is a deficient number, since it is larger than the sum of its proper divisors (507215).

14563897 is a wasteful number, since it uses less digits than its factorization.

14563897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659.

The product of its digits is 181440, while the sum is 43.

The square root of 14563897 is about 3816.2674172547. The cubic root of 14563897 is about 244.2076135412.

The spelling of 14563897 in words is "fourteen million, five hundred sixty-three thousand, eight hundred ninety-seven".