11956343 has 18 divisors (see below), whose sum is σ = 14655384. Its totient is φ = 9707544.

The previous prime is 11956333. The next prime is 11956361. The reversal of 11956343 is 34365911.

It is not a de Polignac number, because 11956343 - 2¹² = 11952247 is a prime.

It is a Duffinian number.

Its product of digits (9720) is a multiple of the sum of its prime factors (243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11956333) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 116030 + ... + 116132.

It is an arithmetic number, because the mean of its divisors is an integer number (814188).

Almost surely, 2^11956343 is an apocalyptic number.

11956343 is a deficient number, since it is larger than the sum of its proper divisors (2699041).

11956343 is an equidigital number, since it uses as much as digits as its factorization.

11956343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 133 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 11956343 is about 3457.7945283085. The cubic root of 11956343 is about 228.6648734183.

The spelling of 11956343 in words is "eleven million, nine hundred fifty-six thousand, three hundred forty-three".