13465540 has 48 divisors (see below), whose sum is σ = 31215744. Its totient is φ = 4838400.

The previous prime is 13465531. The next prime is 13465553. The reversal of 13465540 is 4556431.

It is a junction number, because it is equal to n+sod(n) for n = 13465499 and 13465508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21025 + ... + 21655.

It is an arithmetic number, because the mean of its divisors is an integer number (650328).

Almost surely, 2^13465540 is an apocalyptic number.

13465540 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 13465540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15607872).

13465540 is an abundant number, since it is smaller than the sum of its proper divisors (17750204).

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

13465540 is a wasteful number, since it uses less digits than its factorization.

13465540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 13465540 is about 3669.5422057799. The cubic root of 13465540 is about 237.9073857574.

It can be divided in two parts, 1346 and 5540, that added together give a palindrome (6886).

The spelling of 13465540 in words is "thirteen million, four hundred sixty-five thousand, five hundred forty".