13701240 has 96 divisors (see below), whose sum is σ = 50899680. Its totient is φ = 3131136.

The previous prime is 13701239. The next prime is 13701277. The reversal of 13701240 is 4210731.

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 23 ways as a sum of consecutive naturals, for example, 199 + ... + 5238.

It is an arithmetic number, because the mean of its divisors is an integer number (530205).

Almost surely, 2^13701240 is an apocalyptic number.

13701240 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 13701240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25449840).

13701240 is an abundant number, since it is smaller than the sum of its proper divisors (37198440).

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

13701240 is a wasteful number, since it uses less digits than its factorization.

13701240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461 (or 5454 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 13701240 is about 3701.5186072746. The cubic root of 13701240 is about 239.2874700144.

Adding to 13701240 its reverse (4210731), we get a palindrome (17911971).

The spelling of 13701240 in words is "thirteen million, seven hundred one thousand, two hundred forty".