11553967 has 4 divisors (see below), whose sum is σ = 11662056. Its totient is φ = 11445880.

The previous prime is 11553943. The next prime is 11553989. The reversal of 11553967 is 76935511.

11553967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76935511 = 163 ⋅471997.

It is a cyclic number.

It is not a de Polignac number, because 11553967 - 2¹¹ = 11551919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553937) 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, 53884 + ... + 54097.

It is an arithmetic number, because the mean of its divisors is an integer number (2915514).

Almost surely, 2^11553967 is an apocalyptic number.

11553967 is a deficient number, since it is larger than the sum of its proper divisors (108089).

11553967 is a wasteful number, since it uses less digits than its factorization.

11553967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108088.

The product of its digits is 28350, while the sum is 37.

The square root of 11553967 is about 3399.1126783324. The cubic root of 11553967 is about 226.0704025317.

The spelling of 11553967 in words is "eleven million, five hundred fifty-three thousand, nine hundred sixty-seven".