13241240 has 16 divisors (see below), whose sum is σ = 29792880. Its totient is φ = 5296480.

The previous prime is 13241219. The next prime is 13241243. The reversal of 13241240 is 4214231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13241243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165476 + ... + 165555.

It is an arithmetic number, because the mean of its divisors is an integer number (1862055).

Almost surely, 2^13241240 is an apocalyptic number.

13241240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13241240 is an abundant number, since it is smaller than the sum of its proper divisors (16551640).

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

13241240 is a wasteful number, since it uses less digits than its factorization.

13241240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331042 (or 331038 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 13241240 is about 3638.8514671528. The cubic root of 13241240 is about 236.5790149085.

Adding to 13241240 its reverse (4214231), we get a palindrome (17455471).

The spelling of 13241240 in words is "thirteen million, two hundred forty-one thousand, two hundred forty".