11871253 has 6 divisors (see below), whose sum is σ = 12610946. Its totient is φ = 11172672.

The previous prime is 11871229. The next prime is 11871259. The reversal of 11871253 is 35217811.

It can be written as a sum of positive squares in 3 ways, for example, as 7879249 + 3992004 = 2807^2 + 1998^2 .

It is not a de Polignac number, because 11871253 - 2⁵ = 11871221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11871259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20250 + ... + 20827.

Almost surely, 2^11871253 is an apocalyptic number.

It is an amenable number.

11871253 is a deficient number, since it is larger than the sum of its proper divisors (739693).

11871253 is an equidigital number, since it uses as much as digits as its factorization.

11871253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41111 (or 41094 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 11871253 is about 3445.4684732268. The cubic root of 11871253 is about 228.1211331802.

The spelling of 11871253 in words is "eleven million, eight hundred seventy-one thousand, two hundred fifty-three".