11913337 has 4 divisors (see below), whose sum is σ = 12091216. Its totient is φ = 11735460.

The previous prime is 11913313. The next prime is 11913347. The reversal of 11913337 is 73331911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73331911 = 83 ⋅883517.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11913337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11913347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88839 + ... + 88972.

It is an arithmetic number, because the mean of its divisors is an integer number (3022804).

Almost surely, 2^11913337 is an apocalyptic number.

It is an amenable number.

11913337 is a deficient number, since it is larger than the sum of its proper divisors (177879).

11913337 is an equidigital number, since it uses as much as digits as its factorization.

11913337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177878.

The product of its digits is 1701, while the sum is 28.

The square root of 11913337 is about 3451.5702223771. The cubic root of 11913337 is about 228.3903810193.

It can be divided in two parts, 119 and 13337, that added together give a square (13456 = 116²).

The spelling of 11913337 in words is "eleven million, nine hundred thirteen thousand, three hundred thirty-seven".