11880257 has 4 divisors (see below), whose sum is σ = 12030720. Its totient is φ = 11729796.

The previous prime is 11880251. The next prime is 11880287. The reversal of 11880257 is 75208811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11880257 - 2⁴ = 11880241 is a prime.

It is a super-2 number, since 2×11880257² = 282281012772098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11880251) 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, 75113 + ... + 75270.

It is an arithmetic number, because the mean of its divisors is an integer number (3007680).

Almost surely, 2^11880257 is an apocalyptic number.

It is an amenable number.

11880257 is a deficient number, since it is larger than the sum of its proper divisors (150463).

11880257 is an equidigital number, since it uses as much as digits as its factorization.

11880257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150462.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 11880257 is about 3446.7748693525. The cubic root of 11880257 is about 228.1787930190.

The spelling of 11880257 in words is "eleven million, eight hundred eighty thousand, two hundred fifty-seven".