12159401 has 2 divisors, whose sum is σ = 12159402. Its totient is φ = 12159400.

The previous prime is 12159397. The next prime is 12159451. The reversal of 12159401 is 10495121.

It is a happy number.

12159401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11909401 + 250000 = 3451^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 12159401 - 2² = 12159397 is a prime.

It is a super-3 number, since 3×12159401³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12159451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6079700 + 6079701.

It is an arithmetic number, because the mean of its divisors is an integer number (6079701).

Almost surely, 2^12159401 is an apocalyptic number.

It is an amenable number.

12159401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12159401 is an equidigital number, since it uses as much as digits as its factorization.

12159401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 12159401 is about 3487.0332662594. The cubic root of 12159401 is about 229.9521072303.

The spelling of 12159401 in words is "twelve million, one hundred fifty-nine thousand, four hundred one".