11263239 has 16 divisors (see below), whose sum is σ = 17970400. Its totient is φ = 6931008.

The previous prime is 11263237. The next prime is 11263247. The reversal of 11263239 is 93236211.

It is not a de Polignac number, because 11263239 - 2¹ = 11263237 is a prime.

It is a super-2 number, since 2×11263239² = 253721105542242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11263237) 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, 15694 + ... + 16395.

It is an arithmetic number, because the mean of its divisors is an integer number (1123150).

Almost surely, 2^11263239 is an apocalyptic number.

11263239 is a deficient number, since it is larger than the sum of its proper divisors (6707161).

11263239 is a wasteful number, since it uses less digits than its factorization.

11263239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32111 (or 32105 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 11263239 is about 3356.0749395685. The cubic root of 11263239 is about 224.1580981571.

The spelling of 11263239 in words is "eleven million, two hundred sixty-three thousand, two hundred thirty-nine".