13958847 has 24 divisors (see below), whose sum is σ = 23394176. Its totient is φ = 7855056.

The previous prime is 13958843. The next prime is 13958873. The reversal of 13958847 is 74885931.

It is not a de Polignac number, because 13958847 - 2² = 13958843 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 (13958843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2568 + ... + 5874.

Almost surely, 2^13958847 is an apocalyptic number.

13958847 is a deficient number, since it is larger than the sum of its proper divisors (9435329).

13958847 is a wasteful number, since it uses less digits than its factorization.

13958847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387 (or 3384 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 13958847 is about 3736.1540385803. The cubic root of 13958847 is about 240.7778408747. Note that the first 3 decimals are identical.

The spelling of 13958847 in words is "thirteen million, nine hundred fifty-eight thousand, eight hundred forty-seven".