11572887 has 16 divisors (see below), whose sum is σ = 16208640. Its totient is φ = 7330752.

The previous prime is 11572867. The next prime is 11572907. The reversal of 11572887 is 78827511.

11572887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11572867) and next prime (11572907).

It is not a de Polignac number, because 11572887 - 2¹⁹ = 11048599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11883 + ... + 12819.

It is an arithmetic number, because the mean of its divisors is an integer number (1013040).

Almost surely, 2^11572887 is an apocalyptic number.

11572887 is a deficient number, since it is larger than the sum of its proper divisors (4635753).

11572887 is a wasteful number, since it uses less digits than its factorization.

11572887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142.

The product of its digits is 31360, while the sum is 39.

The square root of 11572887 is about 3401.8946191791. The cubic root of 11572887 is about 226.1937344697.

The spelling of 11572887 in words is "eleven million, five hundred seventy-two thousand, eight hundred eighty-seven".