14409013 has 4 divisors (see below), whose sum is σ = 15256620. Its totient is φ = 13561408.

The previous prime is 14408939. The next prime is 14409029. The reversal of 14409013 is 31090441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31090441 = 19 ⋅1636339.

It can be written as a sum of positive squares in 2 ways, for example, as 5870929 + 8538084 = 2423^2 + 2922^2 .

It is a cyclic number.

It is not a de Polignac number, because 14409013 - 2⁹ = 14408501 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 (14409113) 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, 423778 + ... + 423811.

It is an arithmetic number, because the mean of its divisors is an integer number (3814155).

Almost surely, 2^14409013 is an apocalyptic number.

It is an amenable number.

14409013 is a deficient number, since it is larger than the sum of its proper divisors (847607).

14409013 is an equidigital number, since it uses as much as digits as its factorization.

14409013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847606.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 14409013 is about 3795.9205734578. The cubic root of 14409013 is about 243.3388274650.

Adding to 14409013 its reverse (31090441), we get a palindrome (45499454).

The spelling of 14409013 in words is "fourteen million, four hundred nine thousand, thirteen".