13408351 has 4 divisors (see below), whose sum is σ = 14627304. Its totient is φ = 12189400.

The previous prime is 13408331. The next prime is 13408397. The reversal of 13408351 is 15380431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13408351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13408331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609460 + ... + 609481.

It is an arithmetic number, because the mean of its divisors is an integer number (3656826).

Almost surely, 2^13408351 is an apocalyptic number.

13408351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13408351 is a deficient number, since it is larger than the sum of its proper divisors (1218953).

13408351 is a wasteful number, since it uses less digits than its factorization.

13408351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218952.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13408351 is about 3661.7415255586. The cubic root of 13408351 is about 237.5701052507.

Adding to 13408351 its reverse (15380431), we get a palindrome (28788782).

The spelling of 13408351 in words is "thirteen million, four hundred eight thousand, three hundred fifty-one".