12238995 has 8 divisors (see below), whose sum is σ = 19582416. Its totient is φ = 6527456.

The previous prime is 12238991. The next prime is 12238999. The reversal of 12238995 is 59983221.

It is an interprime number because it is at equal distance from previous prime (12238991) and next prime (12238999).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12238995 - 2² = 12238991 is a prime.

It is a super-2 number, since 2×12238995² = 299585997220050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12238991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407952 + ... + 407981.

It is an arithmetic number, because the mean of its divisors is an integer number (2447802).

Almost surely, 2^12238995 is an apocalyptic number.

12238995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12238995 is a deficient number, since it is larger than the sum of its proper divisors (7343421).

12238995 is an equidigital number, since it uses as much as digits as its factorization.

12238995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815941.

The product of its digits is 38880, while the sum is 39.

The square root of 12238995 is about 3498.4275038937. The cubic root of 12238995 is about 230.4527628305.

The spelling of 12238995 in words is "twelve million, two hundred thirty-eight thousand, nine hundred ninety-five".