14920987 has 2 divisors, whose sum is σ = 14920988. Its totient is φ = 14920986.

The previous prime is 14920979. The next prime is 14921003. The reversal of 14920987 is 78902941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14920987 - 2³ = 14920979 is a prime.

It is not a weakly prime, because it can be changed into another prime (14921987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7460493 + 7460494.

It is an arithmetic number, because the mean of its divisors is an integer number (7460494).

Almost surely, 2^14920987 is an apocalyptic number.

14920987 is a deficient number, since it is larger than the sum of its proper divisors (1).

14920987 is an equidigital number, since it uses as much as digits as its factorization.

14920987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 14920987 is about 3862.7693433598. The cubic root of 14920987 is about 246.1874163926.

The spelling of 14920987 in words is "fourteen million, nine hundred twenty thousand, nine hundred eighty-seven".