13645088 has 18 divisors (see below), whose sum is σ = 26904969. Its totient is φ = 6812096.

The previous prime is 13645057. The next prime is 13645127. The reversal of 13645088 is 88054631.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 12588304 + 1056784 = 3548^2 + 1028^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2612.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20570 + ... + 21222.

Almost surely, 2^13645088 is an apocalyptic number.

It is an amenable number.

13645088 is a deficient number, since it is larger than the sum of its proper divisors (13259881).

13645088 is an frugal number, since it uses more digits than its factorization.

13645088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 13645088 is about 3693.9258249185. The cubic root of 13645088 is about 238.9601306020.

The spelling of 13645088 in words is "thirteen million, six hundred forty-five thousand, eighty-eight".