13601623 has 8 divisors (see below), whose sum is σ = 15579648. Its totient is φ = 11632344.

The previous prime is 13601611. The next prime is 13601629. The reversal of 13601623 is 32610631.

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

It is a cyclic number.

It is not a de Polignac number, because 13601623 - 2⁹ = 13601111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13601594 and 13601603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13601629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590 + ... + 5452.

It is an arithmetic number, because the mean of its divisors is an integer number (1947456).

Almost surely, 2^13601623 is an apocalyptic number.

13601623 is a deficient number, since it is larger than the sum of its proper divisors (1978025).

13601623 is an equidigital number, since it uses as much as digits as its factorization.

13601623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13601623 is about 3688.0378251856. The cubic root of 13601623 is about 238.7061332196.

The spelling of 13601623 in words is "thirteen million, six hundred one thousand, six hundred twenty-three".