13972611 has 4 divisors (see below), whose sum is σ = 18630152. Its totient is φ = 9315072.

The previous prime is 13972597. The next prime is 13972669. The reversal of 13972611 is 11627931.

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

It is not a de Polignac number, because 13972611 - 2⁵ = 13972579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13972681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328766 + ... + 2328771.

It is an arithmetic number, because the mean of its divisors is an integer number (4657538).

Almost surely, 2^13972611 is an apocalyptic number.

13972611 is a deficient number, since it is larger than the sum of its proper divisors (4657541).

13972611 is an equidigital number, since it uses as much as digits as its factorization.

13972611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657540.

The product of its digits is 2268, while the sum is 30.

The square root of 13972611 is about 3737.9955858722. The cubic root of 13972611 is about 240.8569538447.

The spelling of 13972611 in words is "thirteen million, nine hundred seventy-two thousand, six hundred eleven".