12770641 has 16 divisors (see below), whose sum is σ = 14616000. Its totient is φ = 11060928.

The previous prime is 12770599. The next prime is 12770651. The reversal of 12770641 is 14607721.

12770641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12770641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12770651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36630 + ... + 36976.

It is an arithmetic number, because the mean of its divisors is an integer number (913500).

Almost surely, 2^12770641 is an apocalyptic number.

It is an amenable number.

12770641 is a deficient number, since it is larger than the sum of its proper divisors (1845359).

12770641 is a wasteful number, since it uses less digits than its factorization.

12770641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 12770641 is about 3573.6033635534. The cubic root of 12770641 is about 233.7424358176.

The spelling of 12770641 in words is "twelve million, seven hundred seventy thousand, six hundred forty-one".