13401091 has 4 divisors (see below), whose sum is σ = 14619384. Its totient is φ = 12182800.

The previous prime is 13401077. The next prime is 13401107. The reversal of 13401091 is 19010431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13401091 - 2⁷ = 13400963 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13401041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609130 + ... + 609151.

It is an arithmetic number, because the mean of its divisors is an integer number (3654846).

Almost surely, 2^13401091 is an apocalyptic number.

13401091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13401091 is a deficient number, since it is larger than the sum of its proper divisors (1218293).

13401091 is a wasteful number, since it uses less digits than its factorization.

13401091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218292.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 13401091 is about 3660.7500597555. The cubic root of 13401091 is about 237.5272197796.

It can be divided in two parts, 13 and 401091, that added together give a palindrome (401104).

The spelling of 13401091 in words is "thirteen million, four hundred one thousand, ninety-one".