12401057 has 4 divisors (see below), whose sum is σ = 12466176. Its totient is φ = 12335940.

The previous prime is 12401047. The next prime is 12401063. The reversal of 12401057 is 75010421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12401057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12401027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32273 + ... + 32654.

It is an arithmetic number, because the mean of its divisors is an integer number (3116544).

Almost surely, 2^12401057 is an apocalyptic number.

It is an amenable number.

12401057 is a deficient number, since it is larger than the sum of its proper divisors (65119).

12401057 is an equidigital number, since it uses as much as digits as its factorization.

12401057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65118.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12401057 is about 3521.5134530483. The cubic root of 12401057 is about 231.4654819341.

Adding to 12401057 its reverse (75010421), we get a palindrome (87411478).

The spelling of 12401057 in words is "twelve million, four hundred one thousand, fifty-seven".