11445939 has 12 divisors (see below), whose sum is σ = 16655496. Its totient is φ = 7574112.

The previous prime is 11445911. The next prime is 11445953. The reversal of 11445939 is 93954411.

It is a happy number.

It is not a de Polignac number, because 11445939 - 2¹⁶ = 11380403 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11445139) 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, 3409 + ... + 5874.

It is an arithmetic number, because the mean of its divisors is an integer number (1387958).

Almost surely, 2^11445939 is an apocalyptic number.

11445939 is a deficient number, since it is larger than the sum of its proper divisors (5209557).

11445939 is a wasteful number, since it uses less digits than its factorization.

11445939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426 (or 9423 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 11445939 is about 3383.1847422214. The cubic root of 11445939 is about 225.3636194504.

The spelling of 11445939 in words is "eleven million, four hundred forty-five thousand, nine hundred thirty-nine".