13825211 has 4 divisors (see below), whose sum is σ = 13947672. Its totient is φ = 13702752.

The previous prime is 13825193. The next prime is 13825213. The reversal of 13825211 is 11252831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11252831 = 229 ⋅49139.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13825211 is a prime.

It is a super-2 number, since 2×13825211² = 382272918389042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13825213) 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, 61061 + ... + 61286.

It is an arithmetic number, because the mean of its divisors is an integer number (3486918).

Almost surely, 2^13825211 is an apocalyptic number.

13825211 is a deficient number, since it is larger than the sum of its proper divisors (122461).

13825211 is a wasteful number, since it uses less digits than its factorization.

13825211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122460.

The product of its digits is 480, while the sum is 23.

The square root of 13825211 is about 3718.2268623633. The cubic root of 13825211 is about 240.0070078972.

The spelling of 13825211 in words is "thirteen million, eight hundred twenty-five thousand, two hundred eleven".