13800016 has 10 divisors (see below), whose sum is σ = 26737562. Its totient is φ = 6900000.

The previous prime is 13800013. The next prime is 13800019. The reversal of 13800016 is 61000831.

It is an interprime number because it is at equal distance from previous prime (13800013) and next prime (13800019).

It can be written as a sum of positive squares in only one way, i.e., 10265616 + 3534400 = 3204^2 + 1880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13799966 and 13800002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13800013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431235 + ... + 431266.

Almost surely, 2^13800016 is an apocalyptic number.

13800016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13800016 is a deficient number, since it is larger than the sum of its proper divisors (12937546).

13800016 is an equidigital number, since it uses as much as digits as its factorization.

13800016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862509 (or 862503 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 13800016 is about 3714.8372777283. The cubic root of 13800016 is about 239.8611233579.

Adding to 13800016 its reverse (61000831), we get a palindrome (74800847).

The spelling of 13800016 in words is "thirteen million, eight hundred thousand, sixteen".