13471040 has 112 divisors (see below), whose sum is σ = 36210240. Its totient is φ = 4730880.

The previous prime is 13471037. The next prime is 13471049. The reversal of 13471040 is 4017431.

It is a super-3 number, since 3×13471040³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13471049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151316 + ... + 151404.

Almost surely, 2^13471040 is an apocalyptic number.

13471040 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 13471040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18105120).

13471040 is an abundant number, since it is smaller than the sum of its proper divisors (22739200).

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

13471040 is a wasteful number, since it uses less digits than its factorization.

13471040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 13471040 is about 3670.2915415536. The cubic root of 13471040 is about 237.9397724401.

Adding to 13471040 its reverse (4017431), we get a palindrome (17488471).

The spelling of 13471040 in words is "thirteen million, four hundred seventy-one thousand, forty".