12101337 has 6 divisors (see below), whose sum is σ = 17479722. Its totient is φ = 8067552.

The previous prime is 12101329. The next prime is 12101357. The reversal of 12101337 is 73310121.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 3316041 = 2964^2 + 1821^2 .

It is not a de Polignac number, because 12101337 - 2³ = 12101329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12101357) 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 5 ways as a sum of consecutive naturals, for example, 672288 + ... + 672305.

It is an arithmetic number, because the mean of its divisors is an integer number (2913287).

Almost surely, 2^12101337 is an apocalyptic number.

It is an amenable number.

12101337 is a deficient number, since it is larger than the sum of its proper divisors (5378385).

12101337 is a wasteful number, since it uses less digits than its factorization.

12101337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344599 (or 1344596 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 12101337 is about 3478.6976011145. The cubic root of 12101337 is about 229.5854979266.

Adding to 12101337 its reverse (73310121), we get a palindrome (85411458).

The spelling of 12101337 in words is "twelve million, one hundred one thousand, three hundred thirty-seven".