13454665 has 12 divisors (see below), whose sum is σ = 18781956. Its totient is φ = 9225888.

The previous prime is 13454653. The next prime is 13454671. The reversal of 13454665 is 56645431.

13454665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4769856 + 8684809 = 2184^2 + 2947^2 .

It is not a de Polignac number, because 13454665 - 2⁹ = 13454153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13454665.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27214 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (1565163).

Almost surely, 2^13454665 is an apocalyptic number.

It is an amenable number.

13454665 is a deficient number, since it is larger than the sum of its proper divisors (5327291).

13454665 is an equidigital number, since it uses as much as digits as its factorization.

13454665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54936 (or 54929 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 13454665 is about 3668.0601140112. The cubic root of 13454665 is about 237.8433224860.

The spelling of 13454665 in words is "thirteen million, four hundred fifty-four thousand, six hundred sixty-five".