13890253 has 4 divisors (see below), whose sum is σ = 14958748. Its totient is φ = 12821760.

The previous prime is 13890223. The next prime is 13890257. The reversal of 13890253 is 35209831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 915849 + 12974404 = 957^2 + 3602^2 .

It is a cyclic number.

It is not a de Polignac number, because 13890253 - 2¹⁷ = 13759181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13890257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534228 + ... + 534253.

It is an arithmetic number, because the mean of its divisors is an integer number (3739687).

Almost surely, 2^13890253 is an apocalyptic number.

13890253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13890253 is a deficient number, since it is larger than the sum of its proper divisors (1068495).

13890253 is a wasteful number, since it uses less digits than its factorization.

13890253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068494.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 13890253 is about 3726.9629727165. The cubic root of 13890253 is about 240.3827976816.

The spelling of 13890253 in words is "thirteen million, eight hundred ninety thousand, two hundred fifty-three".