12757641 has 12 divisors (see below), whose sum is σ = 18420048. Its totient is φ = 7850544.

The previous prime is 12757639. The next prime is 12757643. The reversal of 12757641 is 14675721.

It is an interprime number because it is at equal distance from previous prime (12757639) and next prime (12757643).

It is not a de Polignac number, because 12757641 - 2¹ = 12757639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12757643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12075 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (1535004).

Almost surely, 2^12757641 is an apocalyptic number.

It is an amenable number.

12757641 is a deficient number, since it is larger than the sum of its proper divisors (5662407).

12757641 is a wasteful number, since it uses less digits than its factorization.

12757641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25192 (or 25179 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 12757641 is about 3571.7840080274. The cubic root of 12757641 is about 233.6630954169.

The spelling of 12757641 in words is "twelve million, seven hundred fifty-seven thousand, six hundred forty-one".