13671872 has 14 divisors (see below), whose sum is σ = 27130248. Its totient is φ = 6835904.

The previous prime is 13671863. The next prime is 13671881. The reversal of 13671872 is 27817631.

It is an interprime number because it is at equal distance from previous prime (13671863) and next prime (13671881).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106748 + ... + 106875.

Almost surely, 2^13671872 is an apocalyptic number.

It is an amenable number.

13671872 is a deficient number, since it is larger than the sum of its proper divisors (13458376).

13671872 is an equidigital number, since it uses as much as digits as its factorization.

13671872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213635 (or 213625 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 13671872 is about 3697.5494587632. The cubic root of 13671872 is about 239.1163803569.

The spelling of 13671872 in words is "thirteen million, six hundred seventy-one thousand, eight hundred seventy-two".