11993229 has 12 divisors (see below), whose sum is σ = 17353596. Its totient is φ = 7981632.

The previous prime is 11993207. The next prime is 11993263. The reversal of 11993229 is 92239911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2812329 + 9180900 = 1677^2 + 3030^2 .

It is not a de Polignac number, because 11993229 - 2⁷ = 11993101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11993193 and 11993202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11993299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9457 + ... + 10649.

It is an arithmetic number, because the mean of its divisors is an integer number (1446133).

Almost surely, 2^11993229 is an apocalyptic number.

It is an amenable number.

11993229 is a deficient number, since it is larger than the sum of its proper divisors (5360367).

11993229 is a wasteful number, since it uses less digits than its factorization.

11993229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316 (or 2313 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 11993229 is about 3463.1241675689. The cubic root of 11993229 is about 228.8997800751.

The spelling of 11993229 in words is "eleven million, nine hundred ninety-three thousand, two hundred twenty-nine".