12681301 has 4 divisors (see below), whose sum is σ = 12693772. Its totient is φ = 12668832.

The previous prime is 12681299. The next prime is 12681307. The reversal of 12681301 is 10318621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1758276 + 10923025 = 1326^2 + 3305^2 .

It is a cyclic number.

It is not a de Polignac number, because 12681301 - 2¹ = 12681299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12681307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4560 + ... + 6793.

It is an arithmetic number, because the mean of its divisors is an integer number (3173443).

Almost surely, 2^12681301 is an apocalyptic number.

It is an amenable number.

12681301 is a deficient number, since it is larger than the sum of its proper divisors (12471).

12681301 is a wasteful number, since it uses less digits than its factorization.

12681301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12470.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 12681301 is about 3561.0814368672. The cubic root of 12681301 is about 233.1960932179.

Adding to 12681301 its reverse (10318621), we get a palindrome (22999922).

The spelling of 12681301 in words is "twelve million, six hundred eighty-one thousand, three hundred one".