11913236 has 12 divisors (see below), whose sum is σ = 21333312. Its totient is φ = 5818008.

The previous prime is 11913233. The next prime is 11913259. The reversal of 11913236 is 63231911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11913233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34460 + ... + 34803.

It is an arithmetic number, because the mean of its divisors is an integer number (1777776).

Almost surely, 2^11913236 is an apocalyptic number.

It is an amenable number.

11913236 is a deficient number, since it is larger than the sum of its proper divisors (9420076).

11913236 is a wasteful number, since it uses less digits than its factorization.

11913236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69310 (or 69308 counting only the distinct ones).

The product of its digits is 972, while the sum is 26.

The square root of 11913236 is about 3451.5555913240. Note that the first 4 decimals coincide. The cubic root of 11913236 is about 228.3897355944.

The spelling of 11913236 in words is "eleven million, nine hundred thirteen thousand, two hundred thirty-six".