13751814 has 16 divisors (see below), whose sum is σ = 27721728. Its totient is φ = 4547592.

The previous prime is 13751797. The next prime is 13751863. The reversal of 13751814 is 41815731.

It is a super-2 number, since 2×13751814² = 378224776581192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8262 + ... + 9785.

It is an arithmetic number, because the mean of its divisors is an integer number (1732608).

Almost surely, 2^13751814 is an apocalyptic number.

13751814 is an abundant number, since it is smaller than the sum of its proper divisors (13969914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13751814 is a wasteful number, since it uses less digits than its factorization.

13751814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18179.

The product of its digits is 3360, while the sum is 30.

The square root of 13751814 is about 3708.3438351911. The cubic root of 13751814 is about 239.5815277058.

The spelling of 13751814 in words is "thirteen million, seven hundred fifty-one thousand, eight hundred fourteen".