11553994 has 8 divisors (see below), whose sum is σ = 17381700. Its totient is φ = 5760096.

The previous prime is 11553989. The next prime is 11554001. The reversal of 11553994 is 49935511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9690769 + 1863225 = 3113^2 + 1365^2 .

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

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, 7579 + ... + 8974.

Almost surely, 2^11553994 is an apocalyptic number.

11553994 is a deficient number, since it is larger than the sum of its proper divisors (5827706).

11553994 is a wasteful number, since it uses less digits than its factorization.

11553994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16904.

The product of its digits is 24300, while the sum is 37.

The square root of 11553994 is about 3399.1166499548. The cubic root of 11553994 is about 226.0705786299.

The spelling of 11553994 in words is "eleven million, five hundred fifty-three thousand, nine hundred ninety-four".