13872182 has 4 divisors (see below), whose sum is σ = 20808276. Its totient is φ = 6936090.

The previous prime is 13872181. The next prime is 13872211. The reversal of 13872182 is 28127831.

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

It is a super-2 number, since 2×13872182² = 384874866882248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13872181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3468044 + ... + 3468047.

It is an arithmetic number, because the mean of its divisors is an integer number (5202069).

Almost surely, 2^13872182 is an apocalyptic number.

13872182 is a deficient number, since it is larger than the sum of its proper divisors (6936094).

13872182 is an equidigital number, since it uses as much as digits as its factorization.

13872182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936093.

The product of its digits is 5376, while the sum is 32.

The square root of 13872182 is about 3724.5378236769. The cubic root of 13872182 is about 240.2785076996.

The spelling of 13872182 in words is "thirteen million, eight hundred seventy-two thousand, one hundred eighty-two".