13872667 has 4 divisors (see below), whose sum is σ = 13899816. Its totient is φ = 13845520.

The previous prime is 13872659. The next prime is 13872707. The reversal of 13872667 is 76627831.

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

It is a cyclic number.

It is not a de Polignac number, because 13872667 - 2³ = 13872659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13870667) 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, 12793 + ... + 13834.

It is an arithmetic number, because the mean of its divisors is an integer number (3474954).

Almost surely, 2^13872667 is an apocalyptic number.

13872667 is a deficient number, since it is larger than the sum of its proper divisors (27149).

13872667 is an equidigital number, since it uses as much as digits as its factorization.

13872667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27148.

The product of its digits is 84672, while the sum is 40.

The square root of 13872667 is about 3724.6029318573. The cubic root of 13872667 is about 240.2813078771.

The spelling of 13872667 in words is "thirteen million, eight hundred seventy-two thousand, six hundred sixty-seven".