13641351 has 4 divisors (see below), whose sum is σ = 18188472. Its totient is φ = 9094232.

The previous prime is 13641349. The next prime is 13641359. The reversal of 13641351 is 15314631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15314631 = 3 ⋅5104877.

It is a cyclic number.

It is not a de Polignac number, because 13641351 - 2¹ = 13641349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13641359) 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, 2273556 + ... + 2273561.

It is an arithmetic number, because the mean of its divisors is an integer number (4547118).

Almost surely, 2^13641351 is an apocalyptic number.

13641351 is a deficient number, since it is larger than the sum of its proper divisors (4547121).

13641351 is an equidigital number, since it uses as much as digits as its factorization.

13641351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547120.

The product of its digits is 1080, while the sum is 24.

The square root of 13641351 is about 3693.4199598746. The cubic root of 13641351 is about 238.9383138246.

Adding to 13641351 its reverse (15314631), we get a palindrome (28955982).

The spelling of 13641351 in words is "thirteen million, six hundred forty-one thousand, three hundred fifty-one".