11965274 has 4 divisors (see below), whose sum is σ = 17947914. Its totient is φ = 5982636.

The previous prime is 11965271. The next prime is 11965279. The reversal of 11965274 is 47256911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47256911 = 13 ⋅3635147.

It can be written as a sum of positive squares in only one way, i.e., 10608049 + 1357225 = 3257^2 + 1165^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11965271) 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 as a sum of consecutive naturals, namely, 2991317 + ... + 2991320.

Almost surely, 2^11965274 is an apocalyptic number.

11965274 is a deficient number, since it is larger than the sum of its proper divisors (5982640).

11965274 is an equidigital number, since it uses as much as digits as its factorization.

11965274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5982639.

The product of its digits is 15120, while the sum is 35.

The square root of 11965274 is about 3459.0857173536. The cubic root of 11965274 is about 228.7217943265.

The spelling of 11965274 in words is "eleven million, nine hundred sixty-five thousand, two hundred seventy-four".