13645264 has 10 divisors (see below), whose sum is σ = 26437730. Its totient is φ = 6822624.

The previous prime is 13645259. The next prime is 13645321. The reversal of 13645264 is 46254631.

It can be written as a sum of positive squares in only one way, i.e., 13630864 + 14400 = 3692^2 + 120^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426399 + ... + 426430.

It is an arithmetic number, because the mean of its divisors is an integer number (2643773).

Almost surely, 2^13645264 is an apocalyptic number.

It is an amenable number.

13645264 is a deficient number, since it is larger than the sum of its proper divisors (12792466).

13645264 is an equidigital number, since it uses as much as digits as its factorization.

13645264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852837 (or 852831 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 13645264 is about 3693.9496477348. The cubic root of 13645264 is about 238.9611579998.

Adding to 13645264 its reverse (46254631), we get a palindrome (59899895).

The spelling of 13645264 in words is "thirteen million, six hundred forty-five thousand, two hundred sixty-four".