1197613 has 8 divisors (see below), whose sum is σ = 1261080. Its totient is φ = 1135680.

The previous prime is 1197601. The next prime is 1197617. The reversal of 1197613 is 3167911.

It can be written as a sum of positive squares in 4 ways, for example, as 233289 + 964324 = 483^2 + 982^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1197613 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197617) 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, 1431 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (157635).

2^1197613 is an apocalyptic number.

It is an amenable number.

1197613 is a deficient number, since it is larger than the sum of its proper divisors (63467).

1197613 is an equidigital number, since it uses as much as digits as its factorization.

1197613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767.

The product of its digits is 1134, while the sum is 28.

The square root of 1197613 is about 1094.3550612119. The cubic root of 1197613 is about 106.1953499808.

The spelling of 1197613 in words is "one million, one hundred ninety-seven thousand, six hundred thirteen".