13440741 has 4 divisors (see below), whose sum is σ = 17920992. Its totient is φ = 8960492.

The previous prime is 13440709. The next prime is 13440751. The reversal of 13440741 is 14704431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13440741 - 2⁵ = 13440709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440751) 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, 2240121 + ... + 2240126.

It is an arithmetic number, because the mean of its divisors is an integer number (4480248).

Almost surely, 2^13440741 is an apocalyptic number.

It is an amenable number.

13440741 is a deficient number, since it is larger than the sum of its proper divisors (4480251).

13440741 is an equidigital number, since it uses as much as digits as its factorization.

13440741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480250.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 13440741 is about 3666.1616167321. The cubic root of 13440741 is about 237.7612475205.

The spelling of 13440741 in words is "thirteen million, four hundred forty thousand, seven hundred forty-one".