12786461 has 8 divisors (see below), whose sum is σ = 13149504. Its totient is φ = 12428640.

The previous prime is 12786457. The next prime is 12786467. The reversal of 12786461 is 16468721.

12786461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12786461 - 2² = 12786457 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 (12786467) 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, 3950 + ... + 6416.

It is an arithmetic number, because the mean of its divisors is an integer number (1643688).

Almost surely, 2^12786461 is an apocalyptic number.

It is an amenable number.

12786461 is a deficient number, since it is larger than the sum of its proper divisors (363043).

12786461 is an equidigital number, since it uses as much as digits as its factorization.

12786461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611.

The product of its digits is 16128, while the sum is 35.

The square root of 12786461 is about 3575.8161306197. The cubic root of 12786461 is about 233.8389143855.

The spelling of 12786461 in words is "twelve million, seven hundred eighty-six thousand, four hundred sixty-one".