11943413 has 2 divisors, whose sum is σ = 11943414. Its totient is φ = 11943412.

The previous prime is 11943397. The next prime is 11943431. The reversal of 11943413 is 31434911.

Together with next prime (11943431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8168164 + 3775249 = 2858^2 + 1943^2 .

It is a cyclic number.

It is not a de Polignac number, because 11943413 - 2⁴ = 11943397 is a prime.

It is a super-2 number, since 2×11943413² = 285290228177138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11943433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5971706 + 5971707.

It is an arithmetic number, because the mean of its divisors is an integer number (5971707).

Almost surely, 2^11943413 is an apocalyptic number.

It is an amenable number.

11943413 is a deficient number, since it is larger than the sum of its proper divisors (1).

11943413 is an equidigital number, since it uses as much as digits as its factorization.

11943413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 11943413 is about 3455.9243336624. The cubic root of 11943413 is about 228.5824150039.

The spelling of 11943413 in words is "eleven million, nine hundred forty-three thousand, four hundred thirteen".