11421758 has 8 divisors (see below), whose sum is σ = 17388552. Its totient is φ = 5625576.

The previous prime is 11421757. The next prime is 11421763. The reversal of 11421758 is 85712411.

11421758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11421758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42485 + ... + 42752.

It is an arithmetic number, because the mean of its divisors is an integer number (2173569).

Almost surely, 2^11421758 is an apocalyptic number.

11421758 is a deficient number, since it is larger than the sum of its proper divisors (5966794).

11421758 is an equidigital number, since it uses as much as digits as its factorization.

11421758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85306.

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

The square root of 11421758 is about 3379.6091489993. The cubic root of 11421758 is about 225.2048044683.

The spelling of 11421758 in words is "eleven million, four hundred twenty-one thousand, seven hundred fifty-eight".