11826487 has 2 divisors, whose sum is σ = 11826488. Its totient is φ = 11826486.

The previous prime is 11826481. The next prime is 11826499. The reversal of 11826487 is 78462811.

11826487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11826487 is a prime.

It is a super-2 number, since 2×11826487² = 279731589522338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11826481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5913243 + 5913244.

It is an arithmetic number, because the mean of its divisors is an integer number (5913244).

Almost surely, 2^11826487 is an apocalyptic number.

11826487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11826487 is an equidigital number, since it uses as much as digits as its factorization.

11826487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 37.

The square root of 11826487 is about 3438.9659783138. The cubic root of 11826487 is about 227.8340268953.

The spelling of 11826487 in words is "eleven million, eight hundred twenty-six thousand, four hundred eighty-seven".