11914257 has 8 divisors (see below), whose sum is σ = 16103584. Its totient is φ = 7833888.

The previous prime is 11914247. The next prime is 11914271. The reversal of 11914257 is 75241911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11914257 - 2⁶ = 11914193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11914247) 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 7 ways as a sum of consecutive naturals, for example, 26983 + ... + 27420.

It is an arithmetic number, because the mean of its divisors is an integer number (2012948).

Almost surely, 2^11914257 is an apocalyptic number.

It is an amenable number.

11914257 is a deficient number, since it is larger than the sum of its proper divisors (4189327).

11914257 is an equidigital number, since it uses as much as digits as its factorization.

11914257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54479.

The product of its digits is 2520, while the sum is 30.

The square root of 11914257 is about 3451.7034924802. The cubic root of 11914257 is about 228.3962599694.

The spelling of 11914257 in words is "eleven million, nine hundred fourteen thousand, two hundred fifty-seven".