13404260 has 24 divisors (see below), whose sum is σ = 28537656. Its totient is φ = 5287680.

The previous prime is 13404247. The next prime is 13404271. The reversal of 13404260 is 6240431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2328676 + 11075584 = 1526^2 + 3328^2 .

It is a super-2 number, since 2×13404260² = 359348372295200, which contains 22 as substring.

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

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131 + ... + 6050.

It is an arithmetic number, because the mean of its divisors is an integer number (1189069).

Almost surely, 2^13404260 is an apocalyptic number.

13404260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13404260 is an abundant number, since it is smaller than the sum of its proper divisors (15133396).

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

13404260 is a wasteful number, since it uses less digits than its factorization.

13404260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9263 (or 9261 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 13404260 is about 3661.1828689646. The cubic root of 13404260 is about 237.5459412512.

Adding to 13404260 its reverse (6240431), we get a palindrome (19644691).

The spelling of 13404260 in words is "thirteen million, four hundred four thousand, two hundred sixty".