12927601 has 4 divisors (see below), whose sum is σ = 13171572. Its totient is φ = 12683632.

The previous prime is 12927571. The next prime is 12927631. The reversal of 12927601 is 10672921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10672921 = 7 ⋅1524703.

It is an interprime number because it is at equal distance from previous prime (12927571) and next prime (12927631).

It can be written as a sum of positive squares in 2 ways, for example, as 3783025 + 9144576 = 1945^2 + 3024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12927601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12927601.

It is not an unprimeable number, because it can be changed into a prime (12927631) 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, 121906 + ... + 122011.

It is an arithmetic number, because the mean of its divisors is an integer number (3292893).

Almost surely, 2^12927601 is an apocalyptic number.

It is an amenable number.

12927601 is a deficient number, since it is larger than the sum of its proper divisors (243971).

12927601 is an equidigital number, since it uses as much as digits as its factorization.

12927601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243970.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 12927601 is about 3595.4973230417. The cubic root of 12927601 is about 234.6961577932.

It can be divided in two parts, 129 and 27601, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 12927601 in words is "twelve million, nine hundred twenty-seven thousand, six hundred one".