11712458 has 4 divisors (see below), whose sum is σ = 17568690. Its totient is φ = 5856228.

The previous prime is 11712457. The next prime is 11712479. The reversal of 11712458 is 85421711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11336689 + 375769 = 3367^2 + 613^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11712458.

It is not an unprimeable number, because it can be changed into a prime (11712457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2928113 + ... + 2928116.

Almost surely, 2^11712458 is an apocalyptic number.

11712458 is a deficient number, since it is larger than the sum of its proper divisors (5856232).

11712458 is an equidigital number, since it uses as much as digits as its factorization.

11712458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5856231.

The product of its digits is 2240, while the sum is 29.

The square root of 11712458 is about 3422.3468555949. The cubic root of 11712458 is about 227.0994150120.

The spelling of 11712458 in words is "eleven million, seven hundred twelve thousand, four hundred fifty-eight".