12741551 has 8 divisors (see below), whose sum is σ = 13555584. Its totient is φ = 11934720.

The previous prime is 12741539. The next prime is 12741557. The reversal of 12741551 is 15514721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12741551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12741551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12741557) 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, 2111 + ... + 5471.

It is an arithmetic number, because the mean of its divisors is an integer number (1694448).

Almost surely, 2^12741551 is an apocalyptic number.

12741551 is a deficient number, since it is larger than the sum of its proper divisors (814033).

12741551 is a wasteful number, since it uses less digits than its factorization.

12741551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601.

The product of its digits is 1400, while the sum is 26.

The square root of 12741551 is about 3569.5309215638. The cubic root of 12741551 is about 233.5648217399.

The spelling of 12741551 in words is "twelve million, seven hundred forty-one thousand, five hundred fifty-one".