12457201 has 8 divisors (see below), whose sum is σ = 12744000. Its totient is φ = 12173040.

The previous prime is 12457189. The next prime is 12457213. The reversal of 12457201 is 10275421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12457189) and next prime (12457213).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12457201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12457001) 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 7 ways as a sum of consecutive naturals, for example, 11211 + ... + 12271.

It is an arithmetic number, because the mean of its divisors is an integer number (1593000).

Almost surely, 2^12457201 is an apocalyptic number.

It is an amenable number.

12457201 is a deficient number, since it is larger than the sum of its proper divisors (286799).

12457201 is a wasteful number, since it uses less digits than its factorization.

12457201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12457201 is about 3529.4760234346. The cubic root of 12457201 is about 231.8142649881.

The spelling of 12457201 in words is "twelve million, four hundred fifty-seven thousand, two hundred one".