1299907993 has 8 divisors (see below), whose sum is σ = 1332102240. Its totient is φ = 1267737120.

The previous prime is 1299907963. The next prime is 1299908003. The reversal of 1299907993 is 3997099921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1299907993 - 2¹⁷ = 1299776921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1299907913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174246 + ... + 181552.

It is an arithmetic number, because the mean of its divisors is an integer number (166512780).

Almost surely, 2^1299907993 is an apocalyptic number.

It is an amenable number.

1299907993 is a deficient number, since it is larger than the sum of its proper divisors (32194247).

1299907993 is an equidigital number, since it uses as much as digits as its factorization.

1299907993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11687.

The product of its (nonzero) digits is 2480058, while the sum is 58.

The square root of 1299907993 is about 36054.2368245398. The cubic root of 1299907993 is about 1091.3671348165.

The spelling of 1299907993 in words is "one billion, two hundred ninety-nine million, nine hundred seven thousand, nine hundred ninety-three".