11971193 has 8 divisors (see below), whose sum is σ = 12948936. Its totient is φ = 11001600.

The previous prime is 11971117. The next prime is 11971199. The reversal of 11971193 is 39117911.

It can be written as a sum of positive squares in 4 ways, for example, as 3374569 + 8596624 = 1837^2 + 2932^2 .

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 11971193 - 2¹⁰ = 11970169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11971199) 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, 1223 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (1618617).

Almost surely, 2^11971193 is an apocalyptic number.

11971193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11971193 is a deficient number, since it is larger than the sum of its proper divisors (977743).

11971193 is a wasteful number, since it uses less digits than its factorization.

11971193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075.

The product of its digits is 1701, while the sum is 32.

The square root of 11971193 is about 3459.9411844712. The cubic root of 11971193 is about 228.7595029247.

The spelling of 11971193 in words is "eleven million, nine hundred seventy-one thousand, one hundred ninety-three".