13425847 has 4 divisors (see below), whose sum is σ = 13738120. Its totient is φ = 13113576.

The previous prime is 13425833. The next prime is 13425851. The reversal of 13425847 is 74852431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74852431 = 241 ⋅310591.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13425847 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 (13425827) 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, 156072 + ... + 156157.

It is an arithmetic number, because the mean of its divisors is an integer number (3434530).

Almost surely, 2^13425847 is an apocalyptic number.

13425847 is a deficient number, since it is larger than the sum of its proper divisors (312273).

13425847 is an equidigital number, since it uses as much as digits as its factorization.

13425847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312272.

The product of its digits is 26880, while the sum is 34.

The square root of 13425847 is about 3664.1297739027. The cubic root of 13425847 is about 237.6733921247.

The spelling of 13425847 in words is "thirteen million, four hundred twenty-five thousand, eight hundred forty-seven".