13769563 has 4 divisors (see below), whose sum is σ = 14105448. Its totient is φ = 13433680.

The previous prime is 13769551. The next prime is 13769573. The reversal of 13769563 is 36596731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36596731 = 389 ⋅94079.

It is a cyclic number.

It is not a de Polignac number, because 13769563 - 2⁵ = 13769531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13769533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167881 + ... + 167962.

It is an arithmetic number, because the mean of its divisors is an integer number (3526362).

Almost surely, 2^13769563 is an apocalyptic number.

13769563 is a deficient number, since it is larger than the sum of its proper divisors (335885).

13769563 is an equidigital number, since it uses as much as digits as its factorization.

13769563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335884.

The product of its digits is 102060, while the sum is 40.

The square root of 13769563 is about 3710.7361803286. The cubic root of 13769563 is about 239.6845566443.

The spelling of 13769563 in words is "thirteen million, seven hundred sixty-nine thousand, five hundred sixty-three".