13719553 has 4 divisors (see below), whose sum is σ = 13742548. Its totient is φ = 13696560.

The previous prime is 13719529. The next prime is 13719593. The reversal of 13719553 is 35591731.

13719553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2849344 + 10870209 = 1688^2 + 3297^2 .

It is a cyclic number.

It is not a de Polignac number, because 13719553 - 2¹³ = 13711361 is a prime.

It is a super-2 number, since 2×13719553² = 376452269039618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13719593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10578 + ... + 11803.

It is an arithmetic number, because the mean of its divisors is an integer number (3435637).

Almost surely, 2^13719553 is an apocalyptic number.

It is an amenable number.

13719553 is a deficient number, since it is larger than the sum of its proper divisors (22995).

13719553 is an equidigital number, since it uses as much as digits as its factorization.

13719553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22994.

The product of its digits is 14175, while the sum is 34.

The square root of 13719553 is about 3703.9914956706. The cubic root of 13719553 is about 239.3940326451.

The spelling of 13719553 in words is "thirteen million, seven hundred nineteen thousand, five hundred fifty-three".