13400411 has 4 divisors (see below), whose sum is σ = 13412592. Its totient is φ = 13388232.

The previous prime is 13400389. The next prime is 13400417. The reversal of 13400411 is 11400431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11400431 = 7 ⋅1628633.

It is a cyclic number.

It is not a de Polignac number, because 13400411 - 2¹⁰ = 13399387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13400417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4256 + ... + 6701.

It is an arithmetic number, because the mean of its divisors is an integer number (3353148).

Almost surely, 2^13400411 is an apocalyptic number.

13400411 is a deficient number, since it is larger than the sum of its proper divisors (12181).

13400411 is a wasteful number, since it uses less digits than its factorization.

13400411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 13400411 is about 3660.6571814361. The cubic root of 13400411 is about 237.5232021654.

Adding to 13400411 its reverse (11400431), we get a palindrome (24800842).

The spelling of 13400411 in words is "thirteen million, four hundred thousand, four hundred eleven".