13872055 has 4 divisors (see below), whose sum is σ = 16646472. Its totient is φ = 11097640.

The previous prime is 13872037. The next prime is 13872073. The reversal of 13872055 is 55027831.

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

It is an interprime number because it is at equal distance from previous prime (13872037) and next prime (13872073).

It is not a de Polignac number, because 13872055 - 2⁷ = 13871927 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387201 + ... + 1387210.

It is an arithmetic number, because the mean of its divisors is an integer number (4161618).

Almost surely, 2^13872055 is an apocalyptic number.

13872055 is a deficient number, since it is larger than the sum of its proper divisors (2774417).

13872055 is an equidigital number, since it uses as much as digits as its factorization.

13872055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774416.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 13872055 is about 3724.5207745427. The cubic root of 13872055 is about 240.2777744464.

Adding to 13872055 its reverse (55027831), we get a palindrome (68899886).

The spelling of 13872055 in words is "thirteen million, eight hundred seventy-two thousand, fifty-five".