13294140 has 48 divisors (see below), whose sum is σ = 37790592. Its totient is φ = 3491136.

The previous prime is 13294139. The next prime is 13294147. The reversal of 13294140 is 4149231.

Added to its reverse (4149231) it gives a triangular number (17443371 = T₅₉₀₆).

It is a self number, because there is not a number n which added to its sum of digits gives 13294140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13294147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2367 + ... + 5673.

It is an arithmetic number, because the mean of its divisors is an integer number (787304).

Almost surely, 2^13294140 is an apocalyptic number.

13294140 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 13294140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18895296).

13294140 is an abundant number, since it is smaller than the sum of its proper divisors (24496452).

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

13294140 is a wasteful number, since it uses less digits than its factorization.

13294140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386 (or 3384 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13294140 is about 3646.1129987975. The cubic root of 13294140 is about 236.8936480934.

Adding to 13294140 its reverse (4149231), we get a triangular number (17443371 = T₅₉₀₆).

The spelling of 13294140 in words is "thirteen million, two hundred ninety-four thousand, one hundred forty".