11962943 has 2 divisors, whose sum is σ = 11962944. Its totient is φ = 11962942.

The previous prime is 11962823. The next prime is 11962963. The reversal of 11962943 is 34926911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11962943 - 2¹⁶ = 11897407 is a prime.

It is a super-2 number, since 2×11962943² = 286224010442498, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11962963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5981471 + 5981472.

It is an arithmetic number, because the mean of its divisors is an integer number (5981472).

Almost surely, 2^11962943 is an apocalyptic number.

11962943 is a deficient number, since it is larger than the sum of its proper divisors (1).

11962943 is an equidigital number, since it uses as much as digits as its factorization.

11962943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 11962943 is about 3458.7487621971. The cubic root of 11962943 is about 228.7069406445.

The spelling of 11962943 in words is "eleven million, nine hundred sixty-two thousand, nine hundred forty-three".