14001247 has 8 divisors (see below), whose sum is σ = 15112944. Its totient is φ = 12894528.

The previous prime is 14001223. The next prime is 14001257. The reversal of 14001247 is 74210041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14001247 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 (14001257) 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, 6363 + ... + 8275.

It is an arithmetic number, because the mean of its divisors is an integer number (1889118).

Almost surely, 2^14001247 is an apocalyptic number.

14001247 is a deficient number, since it is larger than the sum of its proper divisors (1111697).

14001247 is a wasteful number, since it uses less digits than its factorization.

14001247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 14001247 is about 3741.8240204478. The cubic root of 14001247 is about 241.0213820322.

Adding to 14001247 its reverse (74210041), we get a palindrome (88211288).

The spelling of 14001247 in words is "fourteen million, one thousand, two hundred forty-seven".