11648749 has 8 divisors (see below), whose sum is σ = 13772160. Its totient is φ = 9640176.

The previous prime is 11648737. The next prime is 11648773. The reversal of 11648749 is 94784611.

11648749 is digitally balanced in base 3, 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 not a de Polignac number, because 11648749 - 2⁵ = 11648717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11648789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28489 + ... + 28894.

It is an arithmetic number, because the mean of its divisors is an integer number (1721520).

Almost surely, 2^11648749 is an apocalyptic number.

It is an amenable number.

11648749 is a deficient number, since it is larger than the sum of its proper divisors (2123411).

11648749 is an equidigital number, since it uses as much as digits as its factorization.

11648749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57419.

The product of its digits is 48384, while the sum is 40.

The square root of 11648749 is about 3413.0263696608. The cubic root of 11648749 is about 226.6869029895.

It can be divided in two parts, 116 and 48749, that multiplied together give a square (5654884 = 2378²).

The spelling of 11648749 in words is "eleven million, six hundred forty-eight thousand, seven hundred forty-nine".