13463540 has 48 divisors (see below), whose sum is σ = 29635200. Its totient is φ = 5131392.

The previous prime is 13463531. The next prime is 13463543. The reversal of 13463540 is 4536431.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13463543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80537 + ... + 80703.

It is an arithmetic number, because the mean of its divisors is an integer number (617400).

Almost surely, 2^13463540 is an apocalyptic number.

13463540 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 13463540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14817600).

13463540 is an abundant number, since it is smaller than the sum of its proper divisors (16171660).

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

13463540 is a wasteful number, since it uses less digits than its factorization.

13463540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 13463540 is about 3669.2696821030. The cubic root of 13463540 is about 237.8956065954.

Adding to 13463540 its reverse (4536431), we get a palindrome (17999971).

The spelling of 13463540 in words is "thirteen million, four hundred sixty-three thousand, five hundred forty".