1299964 has 6 divisors (see below), whose sum is σ = 2274944. Its totient is φ = 649980.

The previous prime is 1299953. The next prime is 1299979. The reversal of 1299964 is 4699921.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162492 + ... + 162499.

2^1299964 is an apocalyptic number.

It is an amenable number.

1299964 is a deficient number, since it is larger than the sum of its proper divisors (974980).

1299964 is a wasteful number, since it uses less digits than its factorization.

1299964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324995 (or 324993 counting only the distinct ones).

The product of its digits is 34992, while the sum is 40.

The square root of 1299964 is about 1140.1596379455. The cubic root of 1299964 is about 109.1382808572.

The spelling of 1299964 in words is "one million, two hundred ninety-nine thousand, nine hundred sixty-four".