11247291 has 24 divisors (see below), whose sum is σ = 17911296. Its totient is φ = 6744240.

The previous prime is 11247287. The next prime is 11247307. The reversal of 11247291 is 19274211.

It is not a de Polignac number, because 11247291 - 2² = 11247287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11247211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9646 + ... + 10748.

It is an arithmetic number, because the mean of its divisors is an integer number (746304).

Almost surely, 2^11247291 is an apocalyptic number.

11247291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11247291 is a deficient number, since it is larger than the sum of its proper divisors (6664005).

11247291 is a wasteful number, since it uses less digits than its factorization.

11247291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1220 counting only the distinct ones).

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

The square root of 11247291 is about 3353.6981080592. The cubic root of 11247291 is about 224.0522505130.

The spelling of 11247291 in words is "eleven million, two hundred forty-seven thousand, two hundred ninety-one".