12401959 has 4 divisors (see below), whose sum is σ = 13131504. Its totient is φ = 11672416.

The previous prime is 12401957. The next prime is 12401969. The reversal of 12401959 is 95910421.

12401959 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95910421 = 71 ⋅1350851.

It is a cyclic number.

It is not a de Polignac number, because 12401959 - 2¹ = 12401957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12401959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364747 + ... + 364780.

It is an arithmetic number, because the mean of its divisors is an integer number (3282876).

Almost surely, 2^12401959 is an apocalyptic number.

12401959 is a deficient number, since it is larger than the sum of its proper divisors (729545).

12401959 is an equidigital number, since it uses as much as digits as its factorization.

12401959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729544.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 12401959 is about 3521.6415206548. The cubic root of 12401959 is about 231.4710937354.

The spelling of 12401959 in words is "twelve million, four hundred one thousand, nine hundred fifty-nine".