11939407 has 2 divisors, whose sum is σ = 11939408. Its totient is φ = 11939406.

The previous prime is 11939393. The next prime is 11939437. The reversal of 11939407 is 70493911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11939407 - 2¹⁹ = 11415119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11939437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5969703 + 5969704.

It is an arithmetic number, because the mean of its divisors is an integer number (5969704).

Almost surely, 2^11939407 is an apocalyptic number.

11939407 is a deficient number, since it is larger than the sum of its proper divisors (1).

11939407 is an equidigital number, since it uses as much as digits as its factorization.

11939407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 11939407 is about 3455.3447006051. The cubic root of 11939407 is about 228.5568554883.

The spelling of 11939407 in words is "eleven million, nine hundred thirty-nine thousand, four hundred seven".