13810466 has 4 divisors (see below), whose sum is σ = 20715702. Its totient is φ = 6905232.

The previous prime is 13810463. The next prime is 13810483. The reversal of 13810466 is 66401831.

13810466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66401831 = 641 ⋅103591.

It can be written as a sum of positive squares in only one way, i.e., 10465225 + 3345241 = 3235^2 + 1829^2 .

It is a super-2 number, since 2×13810466² = 381457942274312, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13810463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3452615 + ... + 3452618.

Almost surely, 2^13810466 is an apocalyptic number.

13810466 is a deficient number, since it is larger than the sum of its proper divisors (6905236).

13810466 is an equidigital number, since it uses as much as digits as its factorization.

13810466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6905235.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13810466 is about 3716.2435334623. The cubic root of 13810466 is about 239.9216526673.

The spelling of 13810466 in words is "thirteen million, eight hundred ten thousand, four hundred sixty-six".