12472001 has 8 divisors (see below), whose sum is σ = 12947880. Its totient is φ = 11999232.

The previous prime is 12471973. The next prime is 12472039. The reversal of 12472001 is 10027421.

It can be written as a sum of positive squares in 4 ways, for example, as 3763600 + 8708401 = 1940^2 + 2951^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12472001 - 2¹⁰ = 12470977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12472051) 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, 10241 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (1618485).

Almost surely, 2^12472001 is an apocalyptic number.

It is an amenable number.

12472001 is a deficient number, since it is larger than the sum of its proper divisors (475879).

12472001 is a wasteful number, since it uses less digits than its factorization.

12472001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12472001 is about 3531.5720295642. The cubic root of 12472001 is about 231.9060323474.

Adding to 12472001 its reverse (10027421), we get a palindrome (22499422).

The spelling of 12472001 in words is "twelve million, four hundred seventy-two thousand, one".