13871553 has 8 divisors (see below), whose sum is σ = 19299648. Its totient is φ = 8845584.

The previous prime is 13871551. The next prime is 13871573. The reversal of 13871553 is 35517831.

13871553 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13871553 - 2¹ = 13871551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13871551) 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, 100450 + ... + 100587.

It is an arithmetic number, because the mean of its divisors is an integer number (2412456).

Almost surely, 2^13871553 is an apocalyptic number.

It is an amenable number.

13871553 is a deficient number, since it is larger than the sum of its proper divisors (5428095).

13871553 is a wasteful number, since it uses less digits than its factorization.

13871553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201063.

The product of its digits is 12600, while the sum is 33.

The square root of 13871553 is about 3724.4533827127. The cubic root of 13871553 is about 240.2748760319.

The spelling of 13871553 in words is "thirteen million, eight hundred seventy-one thousand, five hundred fifty-three".