13371540 has 192 divisors, whose sum is σ = 48168960. Its totient is φ = 2695680.

The previous prime is 13371517. The next prime is 13371551. The reversal of 13371540 is 4517331.

It is a self number, because there is not a number n which added to its sum of digits gives 13371540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 169221 + ... + 169299.

It is an arithmetic number, because the mean of its divisors is an integer number (250880).

Almost surely, 2^13371540 is an apocalyptic number.

13371540 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 13371540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24084480).

13371540 is an abundant number, since it is smaller than the sum of its proper divisors (34797420).

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

13371540 is a wasteful number, since it uses less digits than its factorization.

13371540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 13371540 is about 3656.7116375235. The cubic root of 13371540 is about 237.3524993640.

Adding to 13371540 its reverse (4517331), we get a palindrome (17888871).

The spelling of 13371540 in words is "thirteen million, three hundred seventy-one thousand, five hundred forty".