1969713 has 6 divisors (see below), whose sum is σ = 2845154. Its totient is φ = 1313136.

The previous prime is 1969699. The next prime is 1969729. The reversal of 1969713 is 3179691.

It can be written as a sum of positive squares in only one way, i.e., 1595169 + 374544 = 1263^2 + 612^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1969713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1979713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109420 + ... + 109437.

2^1969713 is an apocalyptic number.

It is an amenable number.

1969713 is a deficient number, since it is larger than the sum of its proper divisors (875441).

1969713 is a wasteful number, since it uses less digits than its factorization.

1969713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218863 (or 218860 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 1969713 is about 1403.4646415211. The cubic root of 1969713 is about 125.3528802004.

The spelling of 1969713 in words is "one million, nine hundred sixty-nine thousand, seven hundred thirteen".