11394021 has 8 divisors (see below), whose sum is σ = 15449760. Its totient is φ = 7467152.

The previous prime is 11394017. The next prime is 11394037. The reversal of 11394021 is 12049311.

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

It is a cyclic number.

It is not a de Polignac number, because 11394021 - 2² = 11394017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11394041) 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, 32010 + ... + 32363.

It is an arithmetic number, because the mean of its divisors is an integer number (1931220).

Almost surely, 2^11394021 is an apocalyptic number.

It is an amenable number.

11394021 is a deficient number, since it is larger than the sum of its proper divisors (4055739).

11394021 is an equidigital number, since it uses as much as digits as its factorization.

11394021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64435.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 11394021 is about 3375.5030736173. The cubic root of 11394021 is about 225.0223582720.

The spelling of 11394021 in words is "eleven million, three hundred ninety-four thousand, twenty-one".