14998979 has 2 divisors, whose sum is σ = 14998980. Its totient is φ = 14998978.

The previous prime is 14998933. The next prime is 14999011. The reversal of 14998979 is 97989941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14998979 - 2⁸ = 14998723 is a prime.

It is not a weakly prime, because it can be changed into another prime (14998279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7499489 + 7499490.

It is an arithmetic number, because the mean of its divisors is an integer number (7499490).

Almost surely, 2^14998979 is an apocalyptic number.

14998979 is a deficient number, since it is larger than the sum of its proper divisors (1).

14998979 is an equidigital number, since it uses as much as digits as its factorization.

14998979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 56.

The square root of 14998979 is about 3872.8515334311. The cubic root of 14998979 is about 246.6156117449.

The spelling of 14998979 in words is "fourteen million, nine hundred ninety-eight thousand, nine hundred seventy-nine".