11874431 has 2 divisors, whose sum is σ = 11874432. Its totient is φ = 11874430.

The previous prime is 11874403. The next prime is 11874437. The reversal of 11874431 is 13447811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11874431 is a prime.

It is a super-2 number, since 2×11874431² = 282004223147522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11874394 and 11874403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11874437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5937215 + 5937216.

It is an arithmetic number, because the mean of its divisors is an integer number (5937216).

Almost surely, 2^11874431 is an apocalyptic number.

11874431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11874431 is an equidigital number, since it uses as much as digits as its factorization.

11874431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 11874431 is about 3445.9296278363. The cubic root of 11874431 is about 228.1414877931.

The spelling of 11874431 in words is "eleven million, eight hundred seventy-four thousand, four hundred thirty-one".