11899456 has 28 divisors (see below), whose sum is σ = 25004268. Its totient is φ = 5599232.

The previous prime is 11899451. The next prime is 11899457. The reversal of 11899456 is 65499811.

It can be written as a sum of positive squares in 2 ways, for example, as 10497600 + 1401856 = 3240^2 + 1184^2 .

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899451) 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, 4381 + ... + 6556.

Almost surely, 2^11899456 is an apocalyptic number.

11899456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11899456 is an abundant number, since it is smaller than the sum of its proper divisors (13104812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11899456 is a wasteful number, since it uses less digits than its factorization.

11899456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10966 (or 10956 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 11899456 is about 3449.5588123701. The cubic root of 11899456 is about 228.3016424071.

The spelling of 11899456 in words is "eleven million, eight hundred ninety-nine thousand, four hundred fifty-six".