13457645 has 8 divisors (see below), whose sum is σ = 16851456. Its totient is φ = 10297936.

The previous prime is 13457629. The next prime is 13457713. The reversal of 13457645 is 54675431.

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 13457645 - 2⁴ = 13457629 is a prime.

It is a super-3 number, since 3×13457645³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 58397 + ... + 58626.

It is an arithmetic number, because the mean of its divisors is an integer number (2106432).

Almost surely, 2^13457645 is an apocalyptic number.

It is an amenable number.

13457645 is a deficient number, since it is larger than the sum of its proper divisors (3393811).

13457645 is a wasteful number, since it uses less digits than its factorization.

13457645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117051.

The product of its digits is 50400, while the sum is 35.

The square root of 13457645 is about 3668.4663007857. The cubic root of 13457645 is about 237.8608807277.

The spelling of 13457645 in words is "thirteen million, four hundred fifty-seven thousand, six hundred forty-five".