13628355 has 32 divisors (see below), whose sum is σ = 23998464. Its totient is φ = 6562176.

The previous prime is 13628353. The next prime is 13628357. The reversal of 13628355 is 55382631.

It is an interprime number because it is at equal distance from previous prime (13628353) and next prime (13628357).

It is not a de Polignac number, because 13628355 - 2¹ = 13628353 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13628353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8422 + ... + 9908.

It is an arithmetic number, because the mean of its divisors is an integer number (749952).

Almost surely, 2^13628355 is an apocalyptic number.

13628355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13628355 is a deficient number, since it is larger than the sum of its proper divisors (10370109).

13628355 is a wasteful number, since it uses less digits than its factorization.

13628355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555.

The product of its digits is 21600, while the sum is 33.

The square root of 13628355 is about 3691.6601956301. The cubic root of 13628355 is about 238.8624115438.

The spelling of 13628355 in words is "thirteen million, six hundred twenty-eight thousand, three hundred fifty-five".