11364021 has 6 divisors (see below), whose sum is σ = 16414710. Its totient is φ = 7576008.

The previous prime is 11363999. The next prime is 11364029. The reversal of 11364021 is 12046311.

It is a happy number.

11364021 is a `hidden beast` number, since 1 + 1 + 3 + 640 + 21 = 666.

11364021 is nontrivially palindromic in base 2.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 3663396 = 2775^2 + 1914^2 .

It is not a de Polignac number, because 11364021 - 2⁷ = 11363893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11363985 and 11364003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11364029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631326 + ... + 631343.

It is an arithmetic number, because the mean of its divisors is an integer number (2735785).

Almost surely, 2^11364021 is an apocalyptic number.

It is an amenable number.

11364021 is a deficient number, since it is larger than the sum of its proper divisors (5050689).

11364021 is a wasteful number, since it uses less digits than its factorization.

11364021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262675 (or 1262672 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 11364021 is about 3371.0563626258. The cubic root of 11364021 is about 224.8246930761.

The spelling of 11364021 in words is "eleven million, three hundred sixty-four thousand, twenty-one".