11904245 has 6 divisors (see below), whose sum is σ = 14294358. Its totient is φ = 9517224.

The previous prime is 11904223. The next prime is 11904247. The reversal of 11904245 is 54240911.

It can be written as a sum of positive squares in only one way, i.e., 9523396 + 2380849 = 3086^2 + 1543^2 .

It is not a de Polignac number, because 11904245 - 2¹² = 11900149 is a prime.

It is a super-2 number, since 2×11904245² = 283422098040050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11904247) 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, 6944 + ... + 8486.

It is an arithmetic number, because the mean of its divisors is an integer number (2382393).

Almost surely, 2^11904245 is an apocalyptic number.

It is an amenable number.

11904245 is a deficient number, since it is larger than the sum of its proper divisors (2390113).

11904245 is an frugal number, since it uses more digits than its factorization.

11904245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 11904245 is about 3450.2528892822. The cubic root of 11904245 is about 228.3322653735.

The spelling of 11904245 in words is "eleven million, nine hundred four thousand, two hundred forty-five".