13603140 has 96 divisors (see below), whose sum is σ = 42981120. Its totient is φ = 3615840.

The previous prime is 13603129. The next prime is 13603151. The reversal of 13603140 is 4130631.

It is an interprime number because it is at equal distance from previous prime (13603129) and next prime (13603151).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 31 ways as a sum of consecutive naturals, for example, 43585 + ... + 43895.

It is an arithmetic number, because the mean of its divisors is an integer number (447720).

Almost surely, 2^13603140 is an apocalyptic number.

13603140 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 13603140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21490560).

13603140 is an abundant number, since it is smaller than the sum of its proper divisors (29377980).

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

13603140 is an equidigital number, since it uses as much as digits as its factorization.

13603140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 13603140 is about 3688.2434843703. The cubic root of 13603140 is about 238.7150072524.

Adding to 13603140 its reverse (4130631), we get a palindrome (17733771).

The spelling of 13603140 in words is "thirteen million, six hundred three thousand, one hundred forty".