13347140 has 36 divisors (see below), whose sum is σ = 28801668. Its totient is φ = 5195520.

The previous prime is 13347133. The next prime is 13347151. The reversal of 13347140 is 4174331.

It can be written as a sum of positive squares in 6 ways, for example, as 3625216 + 9721924 = 1904^2 + 3118^2 .

It is a super-2 number, since 2×13347140² = 356292292359200, which contains 22 as substring.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33422 + ... + 33818.

Almost surely, 2^13347140 is an apocalyptic number.

13347140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13347140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14400834).

13347140 is an abundant number, since it is smaller than the sum of its proper divisors (15454528).

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

13347140 is a wasteful number, since it uses less digits than its factorization.

13347140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 13347140 is about 3653.3737832311. The cubic root of 13347140 is about 237.2080401314.

The spelling of 13347140 in words is "thirteen million, three hundred forty-seven thousand, one hundred forty".