13111408 has 10 divisors (see below), whose sum is σ = 25403384. Its totient is φ = 6555696.

The previous prime is 13111379. The next prime is 13111409. The reversal of 13111408 is 80411131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409716 + ... + 409747.

Almost surely, 2^13111408 is an apocalyptic number.

It is an amenable number.

13111408 is a deficient number, since it is larger than the sum of its proper divisors (12291976).

13111408 is an equidigital number, since it uses as much as digits as its factorization.

13111408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819471 (or 819465 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 13111408 is about 3620.9678264243. The cubic root of 13111408 is about 235.8032449915.

Adding to 13111408 its reverse (80411131), we get a palindrome (93522539).

The spelling of 13111408 in words is "thirteen million, one hundred eleven thousand, four hundred eight".