12927261 has 8 divisors (see below), whose sum is σ = 17351104. Its totient is φ = 8560800.

The previous prime is 12927241. The next prime is 12927269. The reversal of 12927261 is 16272921.

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

It is not a de Polignac number, because 12927261 - 2²² = 8732957 is a prime.

It is a super-2 number, since 2×12927261² = 334228153924242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12927269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13816 + ... + 14721.

It is an arithmetic number, because the mean of its divisors is an integer number (2168888).

Almost surely, 2^12927261 is an apocalyptic number.

It is an amenable number.

12927261 is a deficient number, since it is larger than the sum of its proper divisors (4423843).

12927261 is a wasteful number, since it uses less digits than its factorization.

12927261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28691.

The product of its digits is 3024, while the sum is 30.

The square root of 12927261 is about 3595.4500413717. The cubic root of 12927261 is about 234.6941002474.

The spelling of 12927261 in words is "twelve million, nine hundred twenty-seven thousand, two hundred sixty-one".