13262540 has 12 divisors (see below), whose sum is σ = 27851376. Its totient is φ = 5305008.

The previous prime is 13262527. The next prime is 13262573. The reversal of 13262540 is 4526231.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 331544 + ... + 331583.

It is an arithmetic number, because the mean of its divisors is an integer number (2320948).

Almost surely, 2^13262540 is an apocalyptic number.

13262540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13262540 is an abundant number, since it is smaller than the sum of its proper divisors (14588836).

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

13262540 is a wasteful number, since it uses less digits than its factorization.

13262540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663136 (or 663134 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13262540 is about 3641.7770387546. Note that the first 3 decimals coincide. The cubic root of 13262540 is about 236.7058014589.

Adding to 13262540 its reverse (4526231), we get a palindrome (17788771).

The spelling of 13262540 in words is "thirteen million, two hundred sixty-two thousand, five hundred forty".