11272491 has 12 divisors (see below), whose sum is σ = 17139720. Its totient is φ = 7119360.

The previous prime is 11272463. The next prime is 11272501. The reversal of 11272491 is 19427211.

It is not a de Polignac number, because 11272491 - 2¹⁰ = 11271467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11272421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32790 + ... + 33131.

It is an arithmetic number, because the mean of its divisors is an integer number (1428310).

Almost surely, 2^11272491 is an apocalyptic number.

11272491 is a deficient number, since it is larger than the sum of its proper divisors (5867229).

11272491 is a wasteful number, since it uses less digits than its factorization.

11272491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65946 (or 65943 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 11272491 is about 3357.4530525385. The cubic root of 11272491 is about 224.2194583373.

The spelling of 11272491 in words is "eleven million, two hundred seventy-two thousand, four hundred ninety-one".