13488947 has 4 divisors (see below), whose sum is σ = 13501800. Its totient is φ = 13476096.

The previous prime is 13488941. The next prime is 13488949. The reversal of 13488947 is 74988431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13488947 - 2⁸ = 13488691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13488898 and 13488907.

It is not an unprimeable number, because it can be changed into a prime (13488941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4697 + ... + 7002.

It is an arithmetic number, because the mean of its divisors is an integer number (3375450).

Almost surely, 2^13488947 is an apocalyptic number.

13488947 is a deficient number, since it is larger than the sum of its proper divisors (12853).

13488947 is a wasteful number, since it uses less digits than its factorization.

13488947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12852.

The product of its digits is 193536, while the sum is 44.

The square root of 13488947 is about 3672.7301833922. The cubic root of 13488947 is about 238.0451565566.

The spelling of 13488947 in words is "thirteen million, four hundred eighty-eight thousand, nine hundred forty-seven".