13630847 has 4 divisors (see below), whose sum is σ = 14348280. Its totient is φ = 12913416.

The previous prime is 13630831. The next prime is 13630861. The reversal of 13630847 is 74803631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74803631 = 7 ⋅10686233.

It is a cyclic number.

It is not a de Polignac number, because 13630847 - 2⁴ = 13630831 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 (13630807) 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, 358688 + ... + 358725.

It is an arithmetic number, because the mean of its divisors is an integer number (3587070).

Almost surely, 2^13630847 is an apocalyptic number.

13630847 is a deficient number, since it is larger than the sum of its proper divisors (717433).

13630847 is an equidigital number, since it uses as much as digits as its factorization.

13630847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717432.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 13630847 is about 3691.9976977241. The cubic root of 13630847 is about 238.8769696435.

The spelling of 13630847 in words is "thirteen million, six hundred thirty thousand, eight hundred forty-seven".