11626287 has 4 divisors (see below), whose sum is σ = 15501720. Its totient is φ = 7750856.

The previous prime is 11626273. The next prime is 11626289. The reversal of 11626287 is 78262611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11626287 - 2²⁰ = 10577711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11626289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937712 + ... + 1937717.

It is an arithmetic number, because the mean of its divisors is an integer number (3875430).

Almost surely, 2^11626287 is an apocalyptic number.

11626287 is a deficient number, since it is larger than the sum of its proper divisors (3875433).

11626287 is an equidigital number, since it uses as much as digits as its factorization.

11626287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875432.

The product of its digits is 8064, while the sum is 33.

The square root of 11626287 is about 3409.7341538601. The cubic root of 11626287 is about 226.5411042847.

Adding to 11626287 its reverse (78262611), we get a palindrome (89888898).

The spelling of 11626287 in words is "eleven million, six hundred twenty-six thousand, two hundred eighty-seven".