12740951 has 4 divisors (see below), whose sum is σ = 12750600. Its totient is φ = 12731304.

The previous prime is 12740933. The next prime is 12740953. The reversal of 12740951 is 15904721.

12740951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15904721 = 7 ⋅2272103.

It is a cyclic number.

It is not a de Polignac number, because 12740951 - 2¹⁰ = 12739927 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 (12740953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2456 + ... + 5613.

It is an arithmetic number, because the mean of its divisors is an integer number (3187650).

Almost surely, 2^12740951 is an apocalyptic number.

12740951 is a deficient number, since it is larger than the sum of its proper divisors (9649).

12740951 is an equidigital number, since it uses as much as digits as its factorization.

12740951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9648.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 12740951 is about 3569.4468759179. The cubic root of 12740951 is about 233.5611554910.

The spelling of 12740951 in words is "twelve million, seven hundred forty thousand, nine hundred fifty-one".