1299730 has 16 divisors (see below), whose sum is σ = 2441664. Its totient is φ = 497200.

The previous prime is 1299721. The next prime is 1299743. The reversal of 1299730 is 379921.

It is a junction number, because it is equal to n+sod(n) for n = 1299692 and 1299701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2596 + ... + 3055.

It is an arithmetic number, because the mean of its divisors is an integer number (152604).

2^1299730 is an apocalyptic number.

1299730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1299730 is a deficient number, since it is larger than the sum of its proper divisors (1141934).

1299730 is a wasteful number, since it uses less digits than its factorization.

1299730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1299730 is about 1140.0570161181. The cubic root of 1299730 is about 109.1317319861.

The spelling of 1299730 in words is "one million, two hundred ninety-nine thousand, seven hundred thirty".