11939319 has 24 divisors (see below), whose sum is σ = 20442240. Its totient is φ = 6821496.

The previous prime is 11939297. The next prime is 11939339. The reversal of 11939319 is 91393911.

It is not a de Polignac number, because 11939319 - 2¹¹ = 11937271 is a prime.

It is a super-2 number, since 2×11939319² = 285094676367522, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11939339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1809 + ... + 5210.

It is an arithmetic number, because the mean of its divisors is an integer number (851760).

Almost surely, 2^11939319 is an apocalyptic number.

11939319 is a deficient number, since it is larger than the sum of its proper divisors (8502921).

11939319 is an frugal number, since it uses more digits than its factorization.

11939319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7041 (or 7029 counting only the distinct ones).

The product of its digits is 6561, while the sum is 36.

The square root of 11939319 is about 3455.3319666857. The cubic root of 11939319 is about 228.5562939570.

The spelling of 11939319 in words is "eleven million, nine hundred thirty-nine thousand, three hundred nineteen".