13460240 has 20 divisors (see below), whose sum is σ = 31295244. Its totient is φ = 5384064.

The previous prime is 13460207. The next prime is 13460269. The reversal of 13460240 is 4206431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4194304 + 9265936 = 2048^2 + 3044^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84047 + ... + 84206.

Almost surely, 2^13460240 is an apocalyptic number.

13460240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13460240 is an abundant number, since it is smaller than the sum of its proper divisors (17835004).

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

13460240 is a wasteful number, since it uses less digits than its factorization.

13460240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168266 (or 168260 counting only the distinct ones).

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

The square root of 13460240 is about 3668.8199737790. The cubic root of 13460240 is about 237.8761684276.

Adding to 13460240 its reverse (4206431), we get a palindrome (17666671).

The spelling of 13460240 in words is "thirteen million, four hundred sixty thousand, two hundred forty".