12472101 has 12 divisors (see below), whose sum is σ = 19075212. Its totient is φ = 7825536.

The previous prime is 12472099. The next prime is 12472127. The reversal of 12472101 is 10127421.

It can be written as a sum of positive squares in 2 ways, for example, as 4004001 + 8468100 = 2001^2 + 2910^2 .

It is not a de Polignac number, because 12472101 - 2¹ = 12472099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40606 + ... + 40911.

It is an arithmetic number, because the mean of its divisors is an integer number (1589601).

Almost surely, 2^12472101 is an apocalyptic number.

It is an amenable number.

12472101 is a deficient number, since it is larger than the sum of its proper divisors (6603111).

12472101 is a wasteful number, since it uses less digits than its factorization.

12472101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81540 (or 81537 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 12472101 is about 3531.5861875367. The cubic root of 12472101 is about 231.9066521502.

Adding to 12472101 its reverse (10127421), we get a palindrome (22599522).

The spelling of 12472101 in words is "twelve million, four hundred seventy-two thousand, one hundred one".