13813774 has 8 divisors (see below), whose sum is σ = 22314600. Its totient is φ = 6375576.

The previous prime is 13813771. The next prime is 13813783. The reversal of 13813774 is 47731831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813771) 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, 265624 + ... + 265675.

It is an arithmetic number, because the mean of its divisors is an integer number (2789325).

Almost surely, 2^13813774 is an apocalyptic number.

13813774 is a deficient number, since it is larger than the sum of its proper divisors (8500826).

13813774 is a wasteful number, since it uses less digits than its factorization.

13813774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531314.

The product of its digits is 14112, while the sum is 34.

The square root of 13813774 is about 3716.6885799055. The cubic root of 13813774 is about 239.9408071613.

The spelling of 13813774 in words is "thirteen million, eight hundred thirteen thousand, seven hundred seventy-four".