11393749 has 8 divisors (see below), whose sum is σ = 12026880. Its totient is φ = 10764000.

The previous prime is 11393747. The next prime is 11393761. The reversal of 11393749 is 94739311.

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

It is a cyclic number.

It is not a de Polignac number, because 11393749 - 2¹ = 11393747 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 (11393741) 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, 9324 + ... + 10474.

It is an arithmetic number, because the mean of its divisors is an integer number (1503360).

Almost surely, 2^11393749 is an apocalyptic number.

11393749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11393749 is a deficient number, since it is larger than the sum of its proper divisors (633131).

11393749 is a wasteful number, since it uses less digits than its factorization.

11393749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its digits is 20412, while the sum is 37.

The square root of 11393749 is about 3375.4627830862. The cubic root of 11393749 is about 225.0205676671.

The spelling of 11393749 in words is "eleven million, three hundred ninety-three thousand, seven hundred forty-nine".