12740349 has 8 divisors (see below), whose sum is σ = 17535232. Its totient is φ = 8219520.

The previous prime is 12740347. The next prime is 12740353. The reversal of 12740349 is 94304721.

It is a happy number.

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

It is not a de Polignac number, because 12740349 - 2¹ = 12740347 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 (12740347) 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, 68404 + ... + 68589.

It is an arithmetic number, because the mean of its divisors is an integer number (2191904).

Almost surely, 2^12740349 is an apocalyptic number.

It is an amenable number.

12740349 is a deficient number, since it is larger than the sum of its proper divisors (4794883).

12740349 is a wasteful number, since it uses less digits than its factorization.

12740349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137027.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 12740349 is about 3569.3625481310. The cubic root of 12740349 is about 233.5574769056.

The spelling of 12740349 in words is "twelve million, seven hundred forty thousand, three hundred forty-nine".