2712649 has 4 divisors (see below), whose sum is σ = 2855440. Its totient is φ = 2569860.

The previous prime is 2712641. The next prime is 2712653. The reversal of 2712649 is 9462172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2712649 - 2³ = 2712641 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 2712649.

It is not an unprimeable number, because it can be changed into a prime (2712641) 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, 71367 + ... + 71404.

It is an arithmetic number, because the mean of its divisors is an integer number (713860).

2^2712649 is an apocalyptic number.

It is an amenable number.

2712649 is a deficient number, since it is larger than the sum of its proper divisors (142791).

2712649 is a wasteful number, since it uses less digits than its factorization.

2712649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142790.

The product of its digits is 6048, while the sum is 31.

The square root of 2712649 is about 1647.0121432461. The cubic root of 2712649 is about 139.4647761600.

The spelling of 2712649 in words is "two million, seven hundred twelve thousand, six hundred forty-nine".