14001001 has 4 divisors (see below), whose sum is σ = 16001152. Its totient is φ = 12000852.

The previous prime is 14000977. The next prime is 14001007. The reversal of 14001001 is 10010041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10010041 = 1877 ⋅5333.

It is a cyclic number.

It is not a de Polignac number, because 14001001 - 2¹⁹ = 13476713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 2000143 = 14001001 / (1 + 4 + 0 + 0 + 1 + 0 + 0 + 1).

It is a Duffinian number.

14001001 is a modest number, since divided by 1001 gives 14 as remainder.

It is not an unprimeable number, because it can be changed into a prime (14001007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000065 + ... + 1000078.

It is an arithmetic number, because the mean of its divisors is an integer number (4000288).

Almost surely, 2^14001001 is an apocalyptic number.

It is an amenable number.

14001001 is a deficient number, since it is larger than the sum of its proper divisors (2000151).

14001001 is an equidigital number, since it uses as much as digits as its factorization.

14001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000150.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 14001001 is about 3741.7911486346. The cubic root of 14001001 is about 241.0199704530.

Adding to 14001001 its reverse (10010041), we get a palindrome (24011042).

It can be divided in two parts, 1400 and 1001, that added together give a 4-th power (2401 = 7⁴).

The spelling of 14001001 in words is "fourteen million, one thousand, one".