14530405 has 4 divisors (see below), whose sum is σ = 17436492. Its totient is φ = 11624320.

The previous prime is 14530387. The next prime is 14530409. The reversal of 14530405 is 50403541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9628609 + 4901796 = 3103^2 + 2214^2 .

It is not a de Polignac number, because 14530405 - 2²³ = 6141797 is a prime.

It is a super-2 number, since 2×14530405² = 422265338928050, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14530409) 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, 1453036 + ... + 1453045.

It is an arithmetic number, because the mean of its divisors is an integer number (4359123).

Almost surely, 2^14530405 is an apocalyptic number.

It is an amenable number.

14530405 is a deficient number, since it is larger than the sum of its proper divisors (2906087).

14530405 is an equidigital number, since it uses as much as digits as its factorization.

14530405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906086.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 14530405 is about 3811.8768343167. The cubic root of 14530405 is about 244.0202717638.

Adding to 14530405 its reverse (50403541), we get a palindrome (64933946).

The spelling of 14530405 in words is "fourteen million, five hundred thirty thousand, four hundred five".