14947257 has 24 divisors (see below), whose sum is σ = 22032192. Its totient is φ = 8959680.

The previous prime is 14947213. The next prime is 14947259. The reversal of 14947257 is 75274941.

14947257 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14947257 - 2¹² = 14943161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

Its product of digits (70560) is a multiple of the sum of its prime divisors (180).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14947259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145068 + ... + 145170.

It is an arithmetic number, because the mean of its divisors is an integer number (918008).

Almost surely, 2^14947257 is an apocalyptic number.

It is an amenable number.

14947257 is a deficient number, since it is larger than the sum of its proper divisors (7084935).

14947257 is a wasteful number, since it uses less digits than its factorization.

14947257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 180 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 14947257 is about 3866.1682581078. The cubic root of 14947257 is about 246.3318114797.

The spelling of 14947257 in words is "fourteen million, nine hundred forty-seven thousand, two hundred fifty-seven".