13851716 has 12 divisors (see below), whose sum is σ = 24342780. Its totient is φ = 6896640.

The previous prime is 13851713. The next prime is 13851731. The reversal of 13851716 is 61715831.

It can be written as a sum of positive squares in 2 ways, for example, as 9424900 + 4426816 = 3070^2 + 2104^2 .

It is a super-2 number, since 2×13851716² = 383740072289312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13851713) 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, 6221 + ... + 8148.

It is an arithmetic number, because the mean of its divisors is an integer number (2028565).

Almost surely, 2^13851716 is an apocalyptic number.

It is an amenable number.

13851716 is a deficient number, since it is larger than the sum of its proper divisors (10491064).

13851716 is a wasteful number, since it uses less digits than its factorization.

13851716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14614 (or 14612 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 13851716 is about 3721.7893545981. The cubic root of 13851716 is about 240.1602864458.

The spelling of 13851716 in words is "thirteen million, eight hundred fifty-one thousand, seven hundred sixteen".