11993954 has 8 divisors (see below), whose sum is σ = 20561088. Its totient is φ = 5140260.

The previous prime is 11993911. The next prime is 11993963. The reversal of 11993954 is 45939911.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428342 + ... + 428369.

It is an arithmetic number, because the mean of its divisors is an integer number (2570136).

Almost surely, 2^11993954 is an apocalyptic number.

11993954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11993954 is a deficient number, since it is larger than the sum of its proper divisors (8567134).

11993954 is an equidigital number, since it uses as much as digits as its factorization.

11993954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856720.

The product of its digits is 43740, while the sum is 41.

The square root of 11993954 is about 3463.2288402588. The cubic root of 11993954 is about 228.9043923719.

The spelling of 11993954 in words is "eleven million, nine hundred ninety-three thousand, nine hundred fifty-four".