11907919 has 2 divisors, whose sum is σ = 11907920. Its totient is φ = 11907918.

The previous prime is 11907877. The next prime is 11907941. The reversal of 11907919 is 91970911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11907919 - 2¹¹ = 11905871 is a prime.

It is a super-2 number, since 2×11907919² = 283597069821122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11907989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5953959 + 5953960.

It is an arithmetic number, because the mean of its divisors is an integer number (5953960).

Almost surely, 2^11907919 is an apocalyptic number.

11907919 is a deficient number, since it is larger than the sum of its proper divisors (1).

11907919 is an equidigital number, since it uses as much as digits as its factorization.

11907919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 37.

The square root of 11907919 is about 3450.7852729488. The cubic root of 11907919 is about 228.3557529741.

The spelling of 11907919 in words is "eleven million, nine hundred seven thousand, nine hundred nineteen".