14521979 has 2 divisors, whose sum is σ = 14521980. Its totient is φ = 14521978.

The previous prime is 14521973. The next prime is 14522033. The reversal of 14521979 is 97912541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14521979 - 2¹² = 14517883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14521973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7260989 + 7260990.

It is an arithmetic number, because the mean of its divisors is an integer number (7260990).

Almost surely, 2^14521979 is an apocalyptic number.

14521979 is a deficient number, since it is larger than the sum of its proper divisors (1).

14521979 is an equidigital number, since it uses as much as digits as its factorization.

14521979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 14521979 is about 3810.7714442092. The cubic root of 14521979 is about 243.9730945429.

The spelling of 14521979 in words is "fourteen million, five hundred twenty-one thousand, nine hundred seventy-nine".