11907391 has 4 divisors (see below), whose sum is σ = 11919952. Its totient is φ = 11894832.

The previous prime is 11907349. The next prime is 11907409. The reversal of 11907391 is 19370911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11907391 - 2¹⁵ = 11874623 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 (11907341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4731 + ... + 6796.

It is an arithmetic number, because the mean of its divisors is an integer number (2979988).

Almost surely, 2^11907391 is an apocalyptic number.

11907391 is a deficient number, since it is larger than the sum of its proper divisors (12561).

11907391 is a wasteful number, since it uses less digits than its factorization.

11907391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 11907391 is about 3450.7087677751. The cubic root of 11907391 is about 228.3523778078.

The spelling of 11907391 in words is "eleven million, nine hundred seven thousand, three hundred ninety-one".