11891337 has 8 divisors (see below), whose sum is σ = 15956736. Its totient is φ = 7876752.

The previous prime is 11891323. The next prime is 11891357. The reversal of 11891337 is 73319811.

11891337 is digitally balanced in base 2, 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 11891337 - 2⁸ = 11891081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11891298 and 11891307.

It is not an unprimeable number, because it can be changed into a prime (11891357) 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, 12153 + ... + 13094.

It is an arithmetic number, because the mean of its divisors is an integer number (1994592).

Almost surely, 2^11891337 is an apocalyptic number.

It is an amenable number.

11891337 is a deficient number, since it is larger than the sum of its proper divisors (4065399).

11891337 is a wasteful number, since it uses less digits than its factorization.

11891337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25407.

The product of its digits is 4536, while the sum is 33.

The square root of 11891337 is about 3448.3817944073. The cubic root of 11891337 is about 228.2497071824.

The spelling of 11891337 in words is "eleven million, eight hundred ninety-one thousand, three hundred thirty-seven".