11272739 has 8 divisors (see below), whose sum is σ = 11515632. Its totient is φ = 11031840.

The previous prime is 11272721. The next prime is 11272759. The reversal of 11272739 is 93727211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11272739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11272759) 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, 16937 + ... + 17589.

It is an arithmetic number, because the mean of its divisors is an integer number (1439454).

Almost surely, 2^11272739 is an apocalyptic number.

11272739 is a deficient number, since it is larger than the sum of its proper divisors (242893).

11272739 is an equidigital number, since it uses as much as digits as its factorization.

11272739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its digits is 5292, while the sum is 32.

The square root of 11272739 is about 3357.4899850930. The cubic root of 11272739 is about 224.2211026357.

The spelling of 11272739 in words is "eleven million, two hundred seventy-two thousand, seven hundred thirty-nine".