1299916 has 6 divisors (see below), whose sum is σ = 2274860. Its totient is φ = 649956.

The previous prime is 1299899. The next prime is 1299917. The reversal of 1299916 is 6199921.

It is not an unprimeable number, because it can be changed into a prime (1299917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162486 + ... + 162493.

2^1299916 is an apocalyptic number.

It is an amenable number.

1299916 is a deficient number, since it is larger than the sum of its proper divisors (974944).

1299916 is a wasteful number, since it uses less digits than its factorization.

1299916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324983 (or 324981 counting only the distinct ones).

The product of its digits is 8748, while the sum is 37.

The square root of 1299916 is about 1140.1385880673. The cubic root of 1299916 is about 109.1369375631.

The spelling of 1299916 in words is "one million, two hundred ninety-nine thousand, nine hundred sixteen".