13625047 has 4 divisors (see below), whose sum is σ = 13856040. Its totient is φ = 13394056.

The previous prime is 13625009. The next prime is 13625057. The reversal of 13625047 is 74052631.

13625047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74052631 = 29 ⋅2553539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13625047 is a prime.

It is a Duffinian number.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13625057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115408 + ... + 115525.

It is an arithmetic number, because the mean of its divisors is an integer number (3464010).

Almost surely, 2^13625047 is an apocalyptic number.

13625047 is a deficient number, since it is larger than the sum of its proper divisors (230993).

13625047 is an equidigital number, since it uses as much as digits as its factorization.

13625047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230992.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 13625047 is about 3691.2121315362. The cubic root of 13625047 is about 238.8430836841.

Adding to 13625047 its reverse (74052631), we get a palindrome (87677678).

It can be divided in two parts, 1362504 and 7, that multiplied together give a triangular number (9537528 = T₄₃₆₇).

The spelling of 13625047 in words is "thirteen million, six hundred twenty-five thousand, forty-seven".