14639401 has 4 divisors (see below), whose sum is σ = 16730752. Its totient is φ = 12548052.

The previous prime is 14639353. The next prime is 14639407. The reversal of 14639401 is 10493641.

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: 10493641 = 17 ⋅617273.

It is a cyclic number.

It is not a de Polignac number, because 14639401 - 2¹⁹ = 14115113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14639401.

It is not an unprimeable number, because it can be changed into a prime (14639407) 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, 1045665 + ... + 1045678.

It is an arithmetic number, because the mean of its divisors is an integer number (4182688).

Almost surely, 2^14639401 is an apocalyptic number.

It is an amenable number.

14639401 is a deficient number, since it is larger than the sum of its proper divisors (2091351).

14639401 is an equidigital number, since it uses as much as digits as its factorization.

14639401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091350.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 14639401 is about 3826.1470175622. The cubic root of 14639401 is about 244.6289036926.

Subtracting from 14639401 its reverse (10493641), we obtain a triangular number (4145760 = T₂₈₇₉).

The spelling of 14639401 in words is "fourteen million, six hundred thirty-nine thousand, four hundred one".