1198988713 has 8 divisors (see below), whose sum is σ = 1297011968. Its totient is φ = 1101793104.

The previous prime is 1198988677. The next prime is 1198988723. The reversal of 1198988713 is 3178898911.

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 1198988713 - 2⁹ = 1198988201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198988723) 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, 203895 + ... + 209692.

It is an arithmetic number, because the mean of its divisors is an integer number (162126496).

Almost surely, 2^1198988713 is an apocalyptic number.

1198988713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1198988713 is a deficient number, since it is larger than the sum of its proper divisors (98023255).

1198988713 is a wasteful number, since it uses less digits than its factorization.

1198988713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413823.

The product of its digits is 870912, while the sum is 55.

The square root of 1198988713 is about 34626.4164042426. The cubic root of 1198988713 is about 1062.3599706210.

The spelling of 1198988713 in words is "one billion, one hundred ninety-eight million, nine hundred eighty-eight thousand, seven hundred thirteen".