11816745 has 8 divisors (see below), whose sum is σ = 18906816. Its totient is φ = 6302256.

The previous prime is 11816731. The next prime is 11816771. The reversal of 11816745 is 54761811.

It is a happy number.

11816745 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 11816745 - 2⁸ = 11816489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393877 + ... + 393906.

It is an arithmetic number, because the mean of its divisors is an integer number (2363352).

Almost surely, 2^11816745 is an apocalyptic number.

11816745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11816745 is a deficient number, since it is larger than the sum of its proper divisors (7090071).

11816745 is an equidigital number, since it uses as much as digits as its factorization.

11816745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787791.

The product of its digits is 6720, while the sum is 33.

The square root of 11816745 is about 3437.5492723741. The cubic root of 11816745 is about 227.7714507243.

It can be divided in two parts, 11816 and 745, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 11816745 in words is "eleven million, eight hundred sixteen thousand, seven hundred forty-five".