13453645 has 8 divisors (see below), whose sum is σ = 16295904. Its totient is φ = 10661904.

The previous prime is 13453637. The next prime is 13453669. The reversal of 13453645 is 54635431.

13453645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13453645 - 2³ = 13453637 is a prime.

It is a super-3 number, since 3×13453645³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12039 + ... + 13108.

It is an arithmetic number, because the mean of its divisors is an integer number (2036988).

Almost surely, 2^13453645 is an apocalyptic number.

It is an amenable number.

13453645 is a deficient number, since it is larger than the sum of its proper divisors (2842259).

13453645 is a wasteful number, since it uses less digits than its factorization.

13453645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25259.

The product of its digits is 21600, while the sum is 31.

The square root of 13453645 is about 3667.9210733057. The cubic root of 13453645 is about 237.8373120224.

The spelling of 13453645 in words is "thirteen million, four hundred fifty-three thousand, six hundred forty-five".