13104340 has 24 divisors (see below), whose sum is σ = 27588960. Its totient is φ = 5228448.

The previous prime is 13104277. The next prime is 13104347. The reversal of 13104340 is 4340131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12351 + ... + 13369.

It is an arithmetic number, because the mean of its divisors is an integer number (1149540).

Almost surely, 2^13104340 is an apocalyptic number.

13104340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13104340 is an abundant number, since it is smaller than the sum of its proper divisors (14484620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13104340 is a wasteful number, since it uses less digits than its factorization.

13104340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13104340 is about 3619.9917126977. The cubic root of 13104340 is about 235.7608656908.

Adding to 13104340 its reverse (4340131), we get a palindrome (17444471).

The spelling of 13104340 in words is "thirteen million, one hundred four thousand, three hundred forty".