1966713 has 24 divisors (see below), whose sum is σ = 3233952. Its totient is φ = 1056384.

The previous prime is 1966697. The next prime is 1966787. The reversal of 1966713 is 3176691.

It is not a de Polignac number, because 1966713 - 2⁴ = 1966697 is a prime.

1966713 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2106 + ... + 2892.

It is an arithmetic number, because the mean of its divisors is an integer number (134748).

2^1966713 is an apocalyptic number.

It is an amenable number.

1966713 is a deficient number, since it is larger than the sum of its proper divisors (1267239).

1966713 is a wasteful number, since it uses less digits than its factorization.

1966713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 814 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 1966713 is about 1402.3954506486. The cubic root of 1966713 is about 125.2892076886.

The spelling of 1966713 in words is "one million, nine hundred sixty-six thousand, seven hundred thirteen".