12157395 has 8 divisors (see below), whose sum is σ = 19451856. Its totient is φ = 6483936.

The previous prime is 12157391. The next prime is 12157429. The reversal of 12157395 is 59375121.

12157395 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12157395 - 2² = 12157391 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12157391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405232 + ... + 405261.

It is an arithmetic number, because the mean of its divisors is an integer number (2431482).

Almost surely, 2^12157395 is an apocalyptic number.

12157395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12157395 is a deficient number, since it is larger than the sum of its proper divisors (7294461).

12157395 is an equidigital number, since it uses as much as digits as its factorization.

12157395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810501.

The product of its digits is 9450, while the sum is 33.

The square root of 12157395 is about 3486.7456173343. The cubic root of 12157395 is about 229.9394610674.

The spelling of 12157395 in words is "twelve million, one hundred fifty-seven thousand, three hundred ninety-five".