13613627 has 4 divisors (see below), whose sum is σ = 13700496. Its totient is φ = 13526760.

The previous prime is 13613623. The next prime is 13613647. The reversal of 13613627 is 72631631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13613627 - 2² = 13613623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13613627.

It is not an unprimeable number, because it can be changed into a prime (13613623) 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, 43199 + ... + 43512.

It is an arithmetic number, because the mean of its divisors is an integer number (3425124).

Almost surely, 2^13613627 is an apocalyptic number.

13613627 is a deficient number, since it is larger than the sum of its proper divisors (86869).

13613627 is an equidigital number, since it uses as much as digits as its factorization.

13613627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86868.

The product of its digits is 4536, while the sum is 29.

The square root of 13613627 is about 3689.6648899324. The cubic root of 13613627 is about 238.7763352802.

The spelling of 13613627 in words is "thirteen million, six hundred thirteen thousand, six hundred twenty-seven".