1197616 has 60 divisors (see below), whose sum is σ = 2893168. Its totient is φ = 470016.

The previous prime is 1197601. The next prime is 1197617. The reversal of 1197616 is 6167911.

It is an Ulam number.

Its product of digits (2268) is a multiple of the sum of its prime divisors (63).

It is not an unprimeable number, because it can be changed into a prime (1197617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32350 + ... + 32386.

2^1197616 is an apocalyptic number.

1197616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1197616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446584).

1197616 is an abundant number, since it is smaller than the sum of its proper divisors (1695552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1197616 is a wasteful number, since it uses less digits than its factorization.

1197616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 63 counting only the distinct ones).

The product of its digits is 2268, while the sum is 31.

The square root of 1197616 is about 1094.3564318813. The cubic root of 1197616 is about 106.1954386532.

It can be divided in two parts, 119 and 7616, that multiplied together give a square (906304 = 952²).

The spelling of 1197616 in words is "one million, one hundred ninety-seven thousand, six hundred sixteen".