13401366 has 16 divisors (see below), whose sum is σ = 29239488. Its totient is φ = 4061000.

The previous prime is 13401359. The next prime is 13401379. The reversal of 13401366 is 66310431.

It is a super-2 number, since 2×13401366² = 359193221331912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 101460 + ... + 101591.

It is an arithmetic number, because the mean of its divisors is an integer number (1827468).

Almost surely, 2^13401366 is an apocalyptic number.

13401366 is an abundant number, since it is smaller than the sum of its proper divisors (15838122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13401366 is a wasteful number, since it uses less digits than its factorization.

13401366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203067.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13401366 is about 3660.7876201714. The cubic root of 13401366 is about 237.5288445114.

Adding to 13401366 its reverse (66310431), we get a palindrome (79711797).

The spelling of 13401366 in words is "thirteen million, four hundred one thousand, three hundred sixty-six".