13366540 has 24 divisors (see below), whose sum is σ = 30622032. Its totient is φ = 4860480.

The previous prime is 13366537. The next prime is 13366541. The reversal of 13366540 is 4566331.

It is a junction number, because it is equal to n+sod(n) for n = 13366499 and 13366508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13366541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30159 + ... + 30598.

It is an arithmetic number, because the mean of its divisors is an integer number (1275918).

Almost surely, 2^13366540 is an apocalyptic number.

13366540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13366540 is an abundant number, since it is smaller than the sum of its proper divisors (17255492).

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

13366540 is a wasteful number, since it uses less digits than its factorization.

13366540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60777 (or 60775 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 13366540 is about 3656.0278992371. The cubic root of 13366540 is about 237.3229113871.

The spelling of 13366540 in words is "thirteen million, three hundred sixty-six thousand, five hundred forty".