2646713 has 4 divisors (see below), whose sum is σ = 2802420. Its totient is φ = 2491008.

The previous prime is 2646671. The next prime is 2646733. The reversal of 2646713 is 3176462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3176462 = 2 ⋅1588231.

It can be written as a sum of positive squares in 2 ways, for example, as 2319529 + 327184 = 1523^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 2646713 - 2⁶ = 2646649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2646733) 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, 77828 + ... + 77861.

It is an arithmetic number, because the mean of its divisors is an integer number (700605).

2^2646713 is an apocalyptic number.

It is an amenable number.

2646713 is a deficient number, since it is larger than the sum of its proper divisors (155707).

2646713 is a wasteful number, since it uses less digits than its factorization.

2646713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155706.

The product of its digits is 6048, while the sum is 29.

The square root of 2646713 is about 1626.8721523217. The cubic root of 2646713 is about 138.3255110817.

The spelling of 2646713 in words is "two million, six hundred forty-six thousand, seven hundred thirteen".