1299245996 has 12 divisors (see below), whose sum is σ = 2279528160. Its totient is φ = 647952240.

The previous prime is 1299245993. The next prime is 1299245999. The reversal of 1299245996 is 6995429921.

It is an interprime number because it is at equal distance from previous prime (1299245993) and next prime (1299245999).

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1299245993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415940 + ... + 419051.

It is an arithmetic number, because the mean of its divisors is an integer number (189960680).

Almost surely, 2^1299245996 is an apocalyptic number.

It is an amenable number.

1299245996 is a deficient number, since it is larger than the sum of its proper divisors (980282164).

1299245996 is a wasteful number, since it uses less digits than its factorization.

1299245996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835384 (or 835382 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 56.

The square root of 1299245996 is about 36045.0550838808. The cubic root of 1299245996 is about 1091.1818385102.

The spelling of 1299245996 in words is "one billion, two hundred ninety-nine million, two hundred forty-five thousand, nine hundred ninety-six".