14397247 has 4 divisors (see below), whose sum is σ = 14539896. Its totient is φ = 14254600.

The previous prime is 14397211. The next prime is 14397277. The reversal of 14397247 is 74279341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14397247 - 2¹⁹ = 13872959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14397277) 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, 71173 + ... + 71374.

It is an arithmetic number, because the mean of its divisors is an integer number (3634974).

Almost surely, 2^14397247 is an apocalyptic number.

14397247 is a deficient number, since it is larger than the sum of its proper divisors (142649).

14397247 is a wasteful number, since it uses less digits than its factorization.

14397247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142648.

The product of its digits is 42336, while the sum is 37.

The square root of 14397247 is about 3794.3704352633. The cubic root of 14397247 is about 243.2725748514.

The spelling of 14397247 in words is "fourteen million, three hundred ninety-seven thousand, two hundred forty-seven".