11906449 has 4 divisors (see below), whose sum is σ = 12290560. Its totient is φ = 11522340.

The previous prime is 11906437. The next prime is 11906467. The reversal of 11906449 is 94460911.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94460911 = 6143 ⋅15377.

It is a cyclic number.

It is not a de Polignac number, because 11906449 - 2⁵ = 11906417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11906429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192009 + ... + 192070.

It is an arithmetic number, because the mean of its divisors is an integer number (3072640).

Almost surely, 2^11906449 is an apocalyptic number.

It is an amenable number.

11906449 is a deficient number, since it is larger than the sum of its proper divisors (384111).

11906449 is an equidigital number, since it uses as much as digits as its factorization.

11906449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384110.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 11906449 is about 3450.5722713776. The cubic root of 11906449 is about 228.3463559565.

The spelling of 11906449 in words is "eleven million, nine hundred six thousand, four hundred forty-nine".