11896449 has 4 divisors (see below), whose sum is σ = 15861936. Its totient is φ = 7930964.

The previous prime is 11896441. The next prime is 11896457. The reversal of 11896449 is 94469811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11896441) and next prime (11896457).

It is a cyclic number.

It is not a de Polignac number, because 11896449 - 2³ = 11896441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11896449.

It is not an unprimeable number, because it can be changed into a prime (11896441) 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, 1982739 + ... + 1982744.

It is an arithmetic number, because the mean of its divisors is an integer number (3965484).

Almost surely, 2^11896449 is an apocalyptic number.

It is an amenable number.

11896449 is a deficient number, since it is larger than the sum of its proper divisors (3965487).

11896449 is an equidigital number, since it uses as much as digits as its factorization.

11896449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965486.

The product of its digits is 62208, while the sum is 42.

The square root of 11896449 is about 3449.1229319930. The cubic root of 11896449 is about 228.2824101309.

It can be divided in two parts, 1189644 and 9, that added together give a triangular number (1189653 = T₁₅₄₂).

The spelling of 11896449 in words is "eleven million, eight hundred ninety-six thousand, four hundred forty-nine".