13401111 has 16 divisors (see below), whose sum is σ = 18731520. Its totient is φ = 8506080.

The previous prime is 13401107. The next prime is 13401119. The reversal of 13401111 is 11110431.

It is not a de Polignac number, because 13401111 - 2² = 13401107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13401119) 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 15 ways as a sum of consecutive naturals, for example, 24501 + ... + 25041.

It is an arithmetic number, because the mean of its divisors is an integer number (1170720).

Almost surely, 2^13401111 is an apocalyptic number.

13401111 is a deficient number, since it is larger than the sum of its proper divisors (5330409).

13401111 is a wasteful number, since it uses less digits than its factorization.

13401111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 13401111 is about 3660.7527914351. The cubic root of 13401111 is about 237.5273379427.

Adding to 13401111 its reverse (11110431), we get a palindrome (24511542).

The spelling of 13401111 in words is "thirteen million, four hundred one thousand, one hundred eleven".