11273642 has 4 divisors (see below), whose sum is σ = 16910466. Its totient is φ = 5636820.

The previous prime is 11273629. The next prime is 11273653. The reversal of 11273642 is 24637211.

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., 6817321 + 4456321 = 2611^2 + 2111^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818409 + ... + 2818412.

Almost surely, 2^11273642 is an apocalyptic number.

11273642 is a deficient number, since it is larger than the sum of its proper divisors (5636824).

11273642 is an equidigital number, since it uses as much as digits as its factorization.

11273642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636823.

The product of its digits is 2016, while the sum is 26.

The square root of 11273642 is about 3357.6244578571. The cubic root of 11273642 is about 224.2270895347.

The spelling of 11273642 in words is "eleven million, two hundred seventy-three thousand, six hundred forty-two".