12401601 has 8 divisors (see below), whose sum is σ = 16621920. Its totient is φ = 8224512.

The previous prime is 12401593. The next prime is 12401671. The reversal of 12401601 is 10610421.

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

It is not a de Polignac number, because 12401601 - 2³ = 12401593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12401671) 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, 10131 + ... + 11288.

It is an arithmetic number, because the mean of its divisors is an integer number (2077740).

Almost surely, 2^12401601 is an apocalyptic number.

It is an amenable number.

12401601 is a deficient number, since it is larger than the sum of its proper divisors (4220319).

12401601 is a wasteful number, since it uses less digits than its factorization.

12401601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21615.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 12401601 is about 3521.5906917187. The cubic root of 12401601 is about 231.4688664677.

The spelling of 12401601 in words is "twelve million, four hundred one thousand, six hundred one".