12238425 has 24 divisors (see below), whose sum is σ = 22483680. Its totient is φ = 6526800.

The previous prime is 12238423. The next prime is 12238427. The reversal of 12238425 is 52483221.

12238425 is a `hidden beast` number, since 1 + 2 + 238 + 425 = 666.

It is an interprime number because it is at equal distance from previous prime (12238423) and next prime (12238427).

It is not a de Polignac number, because 12238425 - 2¹ = 12238423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12238423) 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, 8391 + ... + 9740.

It is an arithmetic number, because the mean of its divisors is an integer number (936820).

Almost surely, 2^12238425 is an apocalyptic number.

12238425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12238425 is a deficient number, since it is larger than the sum of its proper divisors (10245255).

12238425 is a wasteful number, since it uses less digits than its factorization.

12238425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18150 (or 18139 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 12238425 is about 3498.3460377727. The cubic root of 12238425 is about 230.4491851916.

The spelling of 12238425 in words is "twelve million, two hundred thirty-eight thousand, four hundred twenty-five".