13826040 has 96 divisors (see below), whose sum is σ = 43271280. Its totient is φ = 3533824.

The previous prime is 13826039. The next prime is 13826041. The reversal of 13826040 is 4062831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13826039) and next prime (13826041).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13826040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13826041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100852 + ... + 100988.

Almost surely, 2^13826040 is an apocalyptic number.

13826040 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 13826040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21635640).

13826040 is an abundant number, since it is smaller than the sum of its proper divisors (29445240).

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

13826040 is a wasteful number, since it uses less digits than its factorization.

13826040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 13826040 is about 3718.3383385593. The cubic root of 13826040 is about 240.0118049749.

Adding to 13826040 its reverse (4062831), we get a palindrome (17888871).

The spelling of 13826040 in words is "thirteen million, eight hundred twenty-six thousand, forty".