13416401 has 4 divisors (see below), whose sum is σ = 13636404. Its totient is φ = 13196400.

The previous prime is 13416341. The next prime is 13416457. The reversal of 13416401 is 10461431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3806401 + 9610000 = 1951^2 + 3100^2 .

It is a cyclic number.

It is not a de Polignac number, because 13416401 - 2¹⁸ = 13154257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13416461) 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, 109910 + ... + 110031.

It is an arithmetic number, because the mean of its divisors is an integer number (3409101).

Almost surely, 2^13416401 is an apocalyptic number.

It is an amenable number.

13416401 is a deficient number, since it is larger than the sum of its proper divisors (220003).

13416401 is an equidigital number, since it uses as much as digits as its factorization.

13416401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220002.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13416401 is about 3662.8405643708. The cubic root of 13416401 is about 237.6176392279.

Adding to 13416401 its reverse (10461431), we get a palindrome (23877832).

The spelling of 13416401 in words is "thirteen million, four hundred sixteen thousand, four hundred one".