13625506 has 8 divisors (see below), whose sum is σ = 20640924. Its totient is φ = 6745200.

The previous prime is 13625501. The next prime is 13625533. The reversal of 13625506 is 60552631.

It can be written as a sum of positive squares in 2 ways, for example, as 13623481 + 2025 = 3691^2 + 45^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13625501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33525 + ... + 33928.

Almost surely, 2^13625506 is an apocalyptic number.

13625506 is a deficient number, since it is larger than the sum of its proper divisors (7015418).

13625506 is a wasteful number, since it uses less digits than its factorization.

13625506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67556.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 13625506 is about 3691.2743057107. The cubic root of 13625506 is about 238.8457656992.

The spelling of 13625506 in words is "thirteen million, six hundred twenty-five thousand, five hundred six".