13313628 has 36 divisors (see below), whose sum is σ = 33808320. Its totient is φ = 4417536.

The previous prime is 13313611. The next prime is 13313647. The reversal of 13313628 is 82631331.

It is a happy number.

13313628 is a `hidden beast` number, since 1 + 3 + 31 + 3 + 628 = 666.

13313628 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 8533 + ... + 9971.

It is an arithmetic number, because the mean of its divisors is an integer number (939120).

Almost surely, 2^13313628 is an apocalyptic number.

13313628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13313628 is an abundant number, since it is smaller than the sum of its proper divisors (20494692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13313628 is a wasteful number, since it uses less digits than its factorization.

13313628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1701 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 13313628 is about 3648.7844551302. The cubic root of 13313628 is about 237.0093464241.

Adding to 13313628 its reverse (82631331), we get a palindrome (95944959).

The spelling of 13313628 in words is "thirteen million, three hundred thirteen thousand, six hundred twenty-eight".