11972339 has 4 divisors (see below), whose sum is σ = 12175320. Its totient is φ = 11769360.

The previous prime is 11972333. The next prime is 11972341. The reversal of 11972339 is 93327911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93327911 = 59 ⋅1581829.

It is a cyclic number.

It is not a de Polignac number, because 11972339 - 2⁸ = 11972083 is a prime.

It is a super-2 number, since 2×11972339² = 286673802261842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11972299 and 11972308.

It is not an unprimeable number, because it can be changed into a prime (11972333) 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, 101402 + ... + 101519.

It is an arithmetic number, because the mean of its divisors is an integer number (3043830).

Almost surely, 2^11972339 is an apocalyptic number.

11972339 is a deficient number, since it is larger than the sum of its proper divisors (202981).

11972339 is an equidigital number, since it uses as much as digits as its factorization.

11972339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202980.

The product of its digits is 10206, while the sum is 35.

The square root of 11972339 is about 3460.1067902595. The cubic root of 11972339 is about 228.7668023928.

The spelling of 11972339 in words is "eleven million, nine hundred seventy-two thousand, three hundred thirty-nine".