13214501565 has 8 divisors (see below), whose sum is σ = 21143202528. Its totient is φ = 7047734160.

The previous prime is 13214501551. The next prime is 13214501569. The reversal of 13214501565 is 56510541231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13214501565 - 2⁷ = 13214501437 is a prime.

It is a super-2 number, since 2×13214501565² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214501569) 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, 440483371 + ... + 440483400.

It is an arithmetic number, because the mean of its divisors is an integer number (2642900316).

Almost surely, 2^13214501565 is an apocalyptic number.

13214501565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13214501565 is a deficient number, since it is larger than the sum of its proper divisors (7928700963).

13214501565 is an equidigital number, since it uses as much as digits as its factorization.

13214501565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880966779.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 13214501565 in words is "thirteen billion, two hundred fourteen million, five hundred one thousand, five hundred sixty-five".