13810481 has 8 divisors (see below), whose sum is σ = 14233128. Its totient is φ = 13392000.

The previous prime is 13810463. The next prime is 13810483. The reversal of 13810481 is 18401831.

It can be written as a sum of positive squares in 4 ways, for example, as 4477456 + 9333025 = 2116^2 + 3055^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13810481 - 2²² = 9616177 is a prime.

It is a super-2 number, since 2×13810481² = 381458770902722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13810481.

It is not an unprimeable number, because it can be changed into a prime (13810483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6491 + ... + 8351.

It is an arithmetic number, because the mean of its divisors is an integer number (1779141).

Almost surely, 2^13810481 is an apocalyptic number.

It is an amenable number.

13810481 is a deficient number, since it is larger than the sum of its proper divisors (422647).

13810481 is a wasteful number, since it uses less digits than its factorization.

13810481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 13810481 is about 3716.2455516287. The cubic root of 13810481 is about 239.9217395295.

The spelling of 13810481 in words is "thirteen million, eight hundred ten thousand, four hundred eighty-one".