11572039 has 4 divisors (see below), whose sum is σ = 11744824. Its totient is φ = 11399256.

The previous prime is 11572037. The next prime is 11572051. The reversal of 11572039 is 93027511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93027511 = 1471 ⋅63241.

It is a cyclic number.

It is not a de Polignac number, because 11572039 - 2¹ = 11572037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11571998 and 11572016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86292 + ... + 86425.

It is an arithmetic number, because the mean of its divisors is an integer number (2936206).

Almost surely, 2^11572039 is an apocalyptic number.

11572039 is a deficient number, since it is larger than the sum of its proper divisors (172785).

11572039 is an equidigital number, since it uses as much as digits as its factorization.

11572039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172784.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 11572039 is about 3401.7699804661. The cubic root of 11572039 is about 226.1882095743.

It can be divided in two parts, 115 and 72039, that multiplied together give a triangular number (8284485 = T₄₀₇₀).

The spelling of 11572039 in words is "eleven million, five hundred seventy-two thousand, thirty-nine".