14413991 has 2 divisors, whose sum is σ = 14413992. Its totient is φ = 14413990.

The previous prime is 14413967. The next prime is 14413999. The reversal of 14413991 is 19931441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14413991 - 2¹⁰ = 14412967 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14413999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7206995 + 7206996.

It is an arithmetic number, because the mean of its divisors is an integer number (7206996).

Almost surely, 2^14413991 is an apocalyptic number.

14413991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14413991 is an equidigital number, since it uses as much as digits as its factorization.

14413991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 14413991 is about 3796.5762207547. The cubic root of 14413991 is about 243.3668469926.

The spelling of 14413991 in words is "fourteen million, four hundred thirteen thousand, nine hundred ninety-one".