13041240 has 32 divisors (see below), whose sum is σ = 39124080. Its totient is φ = 3477632.

The previous prime is 13041211. The next prime is 13041247. The reversal of 13041240 is 4214031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13041247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54219 + ... + 54458.

Almost surely, 2^13041240 is an apocalyptic number.

13041240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13041240 is an abundant number, since it is smaller than the sum of its proper divisors (26082840).

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

13041240 is a wasteful number, since it uses less digits than its factorization.

13041240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108691 (or 108687 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 13041240 is about 3611.2657060925. The cubic root of 13041240 is about 235.3818448857.

Adding to 13041240 its reverse (4214031), we get a palindrome (17255271).

The spelling of 13041240 in words is "thirteen million, forty-one thousand, two hundred forty".