11465791 has 4 divisors (see below), whose sum is σ = 11709792. Its totient is φ = 11221792.

The previous prime is 11465789. The next prime is 11465809. The reversal of 11465791 is 19756411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19756411 = 1657 ⋅11923.

It is a cyclic number.

It is not a de Polignac number, because 11465791 - 2¹ = 11465789 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 (11465731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121930 + ... + 122023.

It is an arithmetic number, because the mean of its divisors is an integer number (2927448).

Almost surely, 2^11465791 is an apocalyptic number.

11465791 is a deficient number, since it is larger than the sum of its proper divisors (244001).

11465791 is an equidigital number, since it uses as much as digits as its factorization.

11465791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244000.

The product of its digits is 7560, while the sum is 34.

The square root of 11465791 is about 3386.1173931215. The cubic root of 11465791 is about 225.4938354895.

The spelling of 11465791 in words is "eleven million, four hundred sixty-five thousand, seven hundred ninety-one".