1198613 has 8 divisors (see below), whose sum is σ = 1302168. Its totient is φ = 1096704.

The previous prime is 1198609. The next prime is 1198621. The reversal of 1198613 is 3168911.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27889 + 1170724 = 167^2 + 1082^2 .

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 1198613 - 2² = 1198609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198643) 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, 1445 + ... + 2117.

It is an arithmetic number, because the mean of its divisors is an integer number (162771).

2^1198613 is an apocalyptic number.

1198613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1198613 is a deficient number, since it is larger than the sum of its proper divisors (103555).

1198613 is a wasteful number, since it uses less digits than its factorization.

1198613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823.

The product of its digits is 1296, while the sum is 29.

The square root of 1198613 is about 1094.8118559826. The cubic root of 1198613 is about 106.2248992609.

The spelling of 1198613 in words is "one million, one hundred ninety-eight thousand, six hundred thirteen".