12642741 has 6 divisors (see below), whose sum is σ = 18261750. Its totient is φ = 8428488.

The previous prime is 12642703. The next prime is 12642743. The reversal of 12642741 is 14724621.

12642741 is a `hidden beast` number, since 12 + 642 + 7 + 4 + 1 = 666.

12642741 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12215025 + 427716 = 3495^2 + 654^2 .

It is not a de Polignac number, because 12642741 - 2⁷ = 12642613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 702366 + ... + 702383.

It is an arithmetic number, because the mean of its divisors is an integer number (3043625).

Almost surely, 2^12642741 is an apocalyptic number.

It is an amenable number.

12642741 is a deficient number, since it is larger than the sum of its proper divisors (5619009).

12642741 is a wasteful number, since it uses less digits than its factorization.

12642741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404755 (or 1404752 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 12642741 is about 3555.6632292724. The cubic root of 12642741 is about 232.9594936554.

It can be divided in two parts, 1264 and 2741, that added together give a triangular number (4005 = T₈₉).

The spelling of 12642741 in words is "twelve million, six hundred forty-two thousand, seven hundred forty-one".