13440611 has 4 divisors (see below), whose sum is σ = 13579272. Its totient is φ = 13301952.

The previous prime is 13440607. The next prime is 13440617. The reversal of 13440611 is 11604431.

13440611 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 13440611 - 2² = 13440607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13440617) 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, 69185 + ... + 69378.

It is an arithmetic number, because the mean of its divisors is an integer number (3394818).

Almost surely, 2^13440611 is an apocalyptic number.

13440611 is a deficient number, since it is larger than the sum of its proper divisors (138661).

13440611 is an equidigital number, since it uses as much as digits as its factorization.

13440611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138660.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13440611 is about 3666.1438869744. The cubic root of 13440611 is about 237.7604809689.

The spelling of 13440611 in words is "thirteen million, four hundred forty thousand, six hundred eleven".