11347749 has 16 divisors (see below), whose sum is σ = 19213440. Its totient is φ = 6484320.

The previous prime is 11347747. The next prime is 11347751. The reversal of 11347749 is 94774311.

11347749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11347747) and next prime (11347751).

It is not a de Polignac number, because 11347749 - 2¹ = 11347747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11347741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29832 + ... + 30209.

It is an arithmetic number, because the mean of its divisors is an integer number (1200840).

Almost surely, 2^11347749 is an apocalyptic number.

It is an amenable number.

11347749 is a deficient number, since it is larger than the sum of its proper divisors (7865691).

11347749 is an equidigital number, since it uses as much as digits as its factorization.

11347749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60057 (or 60051 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 11347749 is about 3368.6420112562. The cubic root of 11347749 is about 224.7173339260.

It can be divided in two parts, 113477 and 49, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 11347749 in words is "eleven million, three hundred forty-seven thousand, seven hundred forty-nine".