13000755 has 8 divisors (see below), whose sum is σ = 20801232. Its totient is φ = 6933728.

The previous prime is 13000753. The next prime is 13000781. The reversal of 13000755 is 55700031.

It is a happy number.

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 13000755 - 2¹ = 13000753 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13000751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433344 + ... + 433373.

It is an arithmetic number, because the mean of its divisors is an integer number (2600154).

Almost surely, 2^13000755 is an apocalyptic number.

13000755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13000755 is a deficient number, since it is larger than the sum of its proper divisors (7800477).

13000755 is an equidigital number, since it uses as much as digits as its factorization.

13000755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866725.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 13000755 is about 3605.6559736059. The cubic root of 13000755 is about 235.1380206268.

Adding to 13000755 its reverse (55700031), we get a palindrome (68700786).

The spelling of 13000755 in words is "thirteen million, seven hundred fifty-five", and thus it is an aban number.