14404013 has 4 divisors (see below), whose sum is σ = 15512028. Its totient is φ = 13296000.

The previous prime is 14403973. The next prime is 14404021. The reversal of 14404013 is 31040441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31040441 = 89 ⋅348769.

It can be written as a sum of positive squares in 2 ways, for example, as 1350244 + 13053769 = 1162^2 + 3613^2 .

It is a cyclic number.

It is not a de Polignac number, because 14404013 - 2¹⁴ = 14387629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14403982 and 14404000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14404073) 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, 553988 + ... + 554013.

It is an arithmetic number, because the mean of its divisors is an integer number (3878007).

Almost surely, 2^14404013 is an apocalyptic number.

14404013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

14404013 is a deficient number, since it is larger than the sum of its proper divisors (1108015).

14404013 is a wasteful number, since it uses less digits than its factorization.

14404013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108014.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 14404013 is about 3795.2619145456. The cubic root of 14404013 is about 243.3106776096.

Adding to 14404013 its reverse (31040441), we get a palindrome (45444454).

The spelling of 14404013 in words is "fourteen million, four hundred four thousand, thirteen".