11643274 has 4 divisors (see below), whose sum is σ = 17464914. Its totient is φ = 5821636.

The previous prime is 11643251. The next prime is 11643293. The reversal of 11643274 is 47234611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 3775249 = 2805^2 + 1943^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2910817 + ... + 2910820.

Almost surely, 2^11643274 is an apocalyptic number.

11643274 is a deficient number, since it is larger than the sum of its proper divisors (5821640).

11643274 is an equidigital number, since it uses as much as digits as its factorization.

11643274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821639.

The product of its digits is 4032, while the sum is 28.

The square root of 11643274 is about 3412.2242013092. The cubic root of 11643274 is about 226.6513825719.

Adding to 11643274 its reverse (47234611), we get a palindrome (58877885).

The spelling of 11643274 in words is "eleven million, six hundred forty-three thousand, two hundred seventy-four".