13813874 has 8 divisors (see below), whose sum is σ = 21811440. Its totient is φ = 6543396.

The previous prime is 13813873. The next prime is 13813883. The reversal of 13813874 is 47831831.

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

It is a super-2 number, since 2×13813874² = 381646229775752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13813873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181724 + ... + 181799.

It is an arithmetic number, because the mean of its divisors is an integer number (2726430).

Almost surely, 2^13813874 is an apocalyptic number.

13813874 is a deficient number, since it is larger than the sum of its proper divisors (7997566).

13813874 is a wasteful number, since it uses less digits than its factorization.

13813874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363544.

The product of its digits is 16128, while the sum is 35.

The square root of 13813874 is about 3716.7020327166. The cubic root of 13813874 is about 239.9413861492.

The spelling of 13813874 in words is "thirteen million, eight hundred thirteen thousand, eight hundred seventy-four".