13326540 has 24 divisors (see below), whose sum is σ = 37314480. Its totient is φ = 3553728.

The previous prime is 13326527. The next prime is 13326553. The reversal of 13326540 is 4562331.

It is a happy number.

13326540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13326527) and next prime (13326553).

It is a self number, because there is not a number n which added to its sum of digits gives 13326540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110995 + ... + 111114.

It is an arithmetic number, because the mean of its divisors is an integer number (1554770).

Almost surely, 2^13326540 is an apocalyptic number.

13326540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13326540 is an abundant number, since it is smaller than the sum of its proper divisors (23987940).

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

13326540 is a wasteful number, since it uses less digits than its factorization.

13326540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222121 (or 222119 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 13326540 is about 3650.5533827079. The cubic root of 13326540 is about 237.0859415215.

Adding to 13326540 its reverse (4562331), we get a palindrome (17888871).

The spelling of 13326540 in words is "thirteen million, three hundred twenty-six thousand, five hundred forty".