14001224 has 8 divisors (see below), whose sum is σ = 26252310. Its totient is φ = 7000608.

The previous prime is 14001223. The next prime is 14001257. The reversal of 14001224 is 42210041.

It can be written as a sum of positive squares in only one way, i.e., 12124324 + 1876900 = 3482^2 + 1370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 14001199 and 14001208.

It is not an unprimeable number, because it can be changed into a prime (14001223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 875069 + ... + 875084.

Almost surely, 2^14001224 is an apocalyptic number.

It is an amenable number.

14001224 is a deficient number, since it is larger than the sum of its proper divisors (12251086).

14001224 is a wasteful number, since it uses less digits than its factorization.

14001224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750159 (or 1750155 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 14001224 is about 3741.8209470791. The cubic root of 14001224 is about 241.0212500560.

Adding to 14001224 its reverse (42210041), we get a palindrome (56211265).

The spelling of 14001224 in words is "fourteen million, one thousand, two hundred twenty-four".