13630147 has 4 divisors (see below), whose sum is σ = 13652856. Its totient is φ = 13607440.

The previous prime is 13630139. The next prime is 13630159. The reversal of 13630147 is 74103631.

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

It is a cyclic number.

It is not a de Polignac number, because 13630147 - 2³ = 13630139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13630117) 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, 10429 + ... + 11662.

It is an arithmetic number, because the mean of its divisors is an integer number (3413214).

Almost surely, 2^13630147 is an apocalyptic number.

13630147 is a deficient number, since it is larger than the sum of its proper divisors (22709).

13630147 is an equidigital number, since it uses as much as digits as its factorization.

13630147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22708.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 13630147 is about 3691.9028968812. The cubic root of 13630147 is about 238.8728804688.

Adding to 13630147 its reverse (74103631), we get a palindrome (87733778).

The spelling of 13630147 in words is "thirteen million, six hundred thirty thousand, one hundred forty-seven".