13411840 has 120 divisors (see below), whose sum is σ = 35944128. Its totient is φ = 4792320.

The previous prime is 13411837. The next prime is 13411847. The reversal of 13411840 is 4811431.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13411847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432625 + ... + 432655.

Almost surely, 2^13411840 is an apocalyptic number.

13411840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13411840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17972064).

13411840 is an abundant number, since it is smaller than the sum of its proper divisors (22532288).

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

13411840 is an equidigital number, since it uses as much as digits as its factorization.

13411840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 13411840 is about 3662.2179072251. The cubic root of 13411840 is about 237.5907095794.

The spelling of 13411840 in words is "thirteen million, four hundred eleven thousand, eight hundred forty".