13456761 has 4 divisors (see below), whose sum is σ = 17942352. Its totient is φ = 8971172.

The previous prime is 13456739. The next prime is 13456799. The reversal of 13456761 is 16765431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16765431 = 3 ⋅5588477.

It is a cyclic number.

It is not a de Polignac number, because 13456761 - 2⁹ = 13456249 is a prime.

It is a super-2 number, since 2×13456761² = 362168833222242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13456561) 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, 2242791 + ... + 2242796.

It is an arithmetic number, because the mean of its divisors is an integer number (4485588).

Almost surely, 2^13456761 is an apocalyptic number.

It is an amenable number.

13456761 is a deficient number, since it is larger than the sum of its proper divisors (4485591).

13456761 is an equidigital number, since it uses as much as digits as its factorization.

13456761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485590.

The product of its digits is 15120, while the sum is 33.

The square root of 13456761 is about 3668.3458124882. The cubic root of 13456761 is about 237.8556724459.

The spelling of 13456761 in words is "thirteen million, four hundred fifty-six thousand, seven hundred sixty-one".