13418401 has 4 divisors (see below), whose sum is σ = 13426452. Its totient is φ = 13410352.

The previous prime is 13418393. The next prime is 13418413. The reversal of 13418401 is 10481431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10481431 = 313 ⋅33487.

It can be written as a sum of positive squares in 2 ways, for example, as 2027776 + 11390625 = 1424^2 + 3375^2 .

It is a cyclic number.

It is not a de Polignac number, because 13418401 - 2³ = 13418393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13418101) 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, 490 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (3356613).

Almost surely, 2^13418401 is an apocalyptic number.

It is an amenable number.

13418401 is a deficient number, since it is larger than the sum of its proper divisors (8051).

13418401 is an equidigital number, since it uses as much as digits as its factorization.

13418401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 13418401 is about 3663.1135663531. The cubic root of 13418401 is about 237.6294459627.

Adding to 13418401 its reverse (10481431), we get a palindrome (23899832).

The spelling of 13418401 in words is "thirteen million, four hundred eighteen thousand, four hundred one".