13703040 has 256 divisors, whose sum is σ = 53121600. Its totient is φ = 3317760.

The previous prime is 13703033. The next prime is 13703057. The reversal of 13703040 is 4030731.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224610 + ... + 224670.

Almost surely, 2^13703040 is an apocalyptic number.

13703040 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 13703040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26560800).

13703040 is an abundant number, since it is smaller than the sum of its proper divisors (39418560).

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

13703040 is a wasteful number, since it uses less digits than its factorization.

13703040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 13703040 is about 3701.7617427382. The cubic root of 13703040 is about 239.2979483503.

Adding to 13703040 its reverse (4030731), we get a palindrome (17733771).

The spelling of 13703040 in words is "thirteen million, seven hundred three thousand, forty".