11396491 has 4 divisors (see below), whose sum is σ = 11415184. Its totient is φ = 11377800.

The previous prime is 11396479. The next prime is 11396503. The reversal of 11396491 is 19469311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11396479) and next prime (11396503).

It is a cyclic number.

It is not a de Polignac number, because 11396491 - 2⁵ = 11396459 is a prime.

It is a super-2 number, since 2×11396491² = 259760014226162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11396191) 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, 8400 + ... + 9661.

It is an arithmetic number, because the mean of its divisors is an integer number (2853796).

Almost surely, 2^11396491 is an apocalyptic number.

11396491 is a deficient number, since it is larger than the sum of its proper divisors (18693).

11396491 is an equidigital number, since it uses as much as digits as its factorization.

11396491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18692.

The product of its digits is 5832, while the sum is 34.

The square root of 11396491 is about 3375.8689251806. The cubic root of 11396491 is about 225.0386172400.

The spelling of 11396491 in words is "eleven million, three hundred ninety-six thousand, four hundred ninety-one".