11309896 has 32 divisors (see below), whose sum is σ = 24184440. Its totient is φ = 4912128.

The previous prime is 11309873. The next prime is 11309897. The reversal of 11309896 is 69890311.

11309896 = T₂₀₃ + T₂₀₄ + ... + T₄₂₃.

It can be written as a sum of positive squares in 4 ways, for example, as 5616900 + 5692996 = 2370^2 + 2386^2 .

It is not an unprimeable number, because it can be changed into a prime (11309897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431 + ... + 4966.

Almost surely, 2^11309896 is an apocalyptic number.

It is an amenable number.

11309896 is an abundant number, since it is smaller than the sum of its proper divisors (12874544).

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

11309896 is a wasteful number, since it uses less digits than its factorization.

11309896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433 (or 6429 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11309896 is about 3363.0188818976. The cubic root of 11309896 is about 224.4671903084.

It can be divided in two parts, 1130 and 9896, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 11309896 in words is "eleven million, three hundred nine thousand, eight hundred ninety-six".