11282391 has 6 divisors (see below), whose sum is σ = 16296800. Its totient is φ = 7521588.

The previous prime is 11282291. The next prime is 11282399. The reversal of 11282391 is 19328211.

It is not a de Polignac number, because 11282391 - 2¹³ = 11274199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11282399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626791 + ... + 626808.

Almost surely, 2^11282391 is an apocalyptic number.

11282391 is a deficient number, since it is larger than the sum of its proper divisors (5014409).

11282391 is a wasteful number, since it uses less digits than its factorization.

11282391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253605 (or 1253602 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 11282391 is about 3358.9270608336. The cubic root of 11282391 is about 224.2850789447.

The spelling of 11282391 in words is "eleven million, two hundred eighty-two thousand, three hundred ninety-one".