13440466 has 16 divisors (see below), whose sum is σ = 21873600. Its totient is φ = 6157008.

The previous prime is 13440461. The next prime is 13440473. The reversal of 13440466 is 66404431.

It is a happy number.

13440466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13440466² = 361292252594312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13440461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755 + ... + 5473.

It is an arithmetic number, because the mean of its divisors is an integer number (1367100).

Almost surely, 2^13440466 is an apocalyptic number.

13440466 is a deficient number, since it is larger than the sum of its proper divisors (8433134).

13440466 is a wasteful number, since it uses less digits than its factorization.

13440466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 13440466 is about 3666.1241113743. The cubic root of 13440466 is about 237.7596259633.

Adding to 13440466 its reverse (66404431), we get a palindrome (79844897).

The spelling of 13440466 in words is "thirteen million, four hundred forty thousand, four hundred sixty-six".