11962939 has 4 divisors (see below), whose sum is σ = 12254760. Its totient is φ = 11671120.

The previous prime is 11962823. The next prime is 11962943. The reversal of 11962939 is 93926911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11962939 - 2¹¹ = 11960891 is a prime.

It is a super-2 number, since 2×11962939² = 286223819035442, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11962439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145849 + ... + 145930.

It is an arithmetic number, because the mean of its divisors is an integer number (3063690).

Almost surely, 2^11962939 is an apocalyptic number.

11962939 is a deficient number, since it is larger than the sum of its proper divisors (291821).

11962939 is an equidigital number, since it uses as much as digits as its factorization.

11962939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291820.

The product of its digits is 26244, while the sum is 40.

The square root of 11962939 is about 3458.7481839533. The cubic root of 11962939 is about 228.7069151539.

The spelling of 11962939 in words is "eleven million, nine hundred sixty-two thousand, nine hundred thirty-nine".