13836225 has 48 divisors (see below), whose sum is σ = 25748352. Its totient is φ = 6504960.

The previous prime is 13836223. The next prime is 13836241. The reversal of 13836225 is 52263831.

It is not a de Polignac number, because 13836225 - 2¹ = 13836223 is a prime.

It is a super-2 number, since 2×13836225² = 382882244501250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13836192 and 13836201.

It is not an unprimeable number, because it can be changed into a prime (13836223) 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 47 ways as a sum of consecutive naturals, for example, 22117 + ... + 22733.

It is an arithmetic number, because the mean of its divisors is an integer number (536424).

Almost surely, 2^13836225 is an apocalyptic number.

13836225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13836225 is a deficient number, since it is larger than the sum of its proper divisors (11912127).

13836225 is a wasteful number, since it uses less digits than its factorization.

13836225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 661 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 13836225 is about 3719.7076498026. The cubic root of 13836225 is about 240.0707256836.

It can be divided in two parts, 1383 and 6225, that multiplied together give a triangular number (8609175 = T₄₁₄₉).

The spelling of 13836225 in words is "thirteen million, eight hundred thirty-six thousand, two hundred twenty-five".