11591434 has 8 divisors (see below), whose sum is σ = 17857188. Its totient is φ = 5639040.

The previous prime is 11591423. The next prime is 11591453. The reversal of 11591434 is 43419511.

11591434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11580409 + 11025 = 3403^2 + 105^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11591434² = 268722684352712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78247 + ... + 78394.

Almost surely, 2^11591434 is an apocalyptic number.

11591434 is a deficient number, since it is larger than the sum of its proper divisors (6265754).

11591434 is a wasteful number, since it uses less digits than its factorization.

11591434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156680.

The product of its digits is 2160, while the sum is 28.

The square root of 11591434 is about 3404.6195088438. The cubic root of 11591434 is about 226.3145045670.

The spelling of 11591434 in words is "eleven million, five hundred ninety-one thousand, four hundred thirty-four".