11452391 has 4 divisors (see below), whose sum is σ = 11460384. Its totient is φ = 11444400.

The previous prime is 11452387. The next prime is 11452403. The reversal of 11452391 is 19325411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 19325411 = 7 ⋅2760773.

It is a cyclic number.

It is not a de Polignac number, because 11452391 - 2² = 11452387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11452391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452381) 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, 1190 + ... + 4931.

It is an arithmetic number, because the mean of its divisors is an integer number (2865096).

Almost surely, 2^11452391 is an apocalyptic number.

11452391 is a deficient number, since it is larger than the sum of its proper divisors (7993).

11452391 is an equidigital number, since it uses as much as digits as its factorization.

11452391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992.

The product of its digits is 1080, while the sum is 26.

The square root of 11452391 is about 3384.1381472984. The cubic root of 11452391 is about 225.4059568228.

The spelling of 11452391 in words is "eleven million, four hundred fifty-two thousand, three hundred ninety-one".