11197738 has 8 divisors (see below), whose sum is σ = 16819488. Its totient is φ = 5591244.

The previous prime is 11197733. The next prime is 11197763. The reversal of 11197738 is 83779111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11197697 and 11197706.

It is not an unprimeable number, because it can be changed into a prime (11197733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756 + ... + 5047.

It is an arithmetic number, because the mean of its divisors is an integer number (2102436).

Almost surely, 2^11197738 is an apocalyptic number.

11197738 is a deficient number, since it is larger than the sum of its proper divisors (5621750).

11197738 is an equidigital number, since it uses as much as digits as its factorization.

11197738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7628.

The product of its digits is 10584, while the sum is 37.

The square root of 11197738 is about 3346.3021381818. The cubic root of 11197738 is about 223.7227250546.

It can be divided in two parts, 11197 and 738, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 11197738 in words is "eleven million, one hundred ninety-seven thousand, seven hundred thirty-eight".