11798431 has 2 divisors, whose sum is σ = 11798432. Its totient is φ = 11798430.

The previous prime is 11798417. The next prime is 11798453. The reversal of 11798431 is 13489711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11798431 - 2⁵ = 11798399 is a prime.

It is a super-2 number, since 2×11798431² = 278405948123522, which contains 22 as substring.

It is equal to p₇₇₅₆₇₂ and since 11798431 and 775672 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11798461) 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 as a sum of consecutive naturals, namely, 5899215 + 5899216.

It is an arithmetic number, because the mean of its divisors is an integer number (5899216).

Almost surely, 2^11798431 is an apocalyptic number.

11798431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11798431 is an equidigital number, since it uses as much as digits as its factorization.

11798431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 34.

The square root of 11798431 is about 3434.8844230920. The cubic root of 11798431 is about 227.6537205258.

The spelling of 11798431 in words is "eleven million, seven hundred ninety-eight thousand, four hundred thirty-one".