32504013 has 12 divisors (see below), whose sum is σ = 47612448. Its totient is φ = 21363720.

The previous prime is 32503981. The next prime is 32504047. The reversal of 32504013 is 31040523.

It is not a de Polignac number, because 32504013 - 2⁵ = 32503981 is a prime.

It is a super-2 number, since 2×32504013² = 2113021722208338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32508013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24795 + ... + 26072.

It is an arithmetic number, because the mean of its divisors is an integer number (3967704).

Almost surely, 2^32504013 is an apocalyptic number.

It is an amenable number.

32504013 is a deficient number, since it is larger than the sum of its proper divisors (15108435).

32504013 is a wasteful number, since it uses less digits than its factorization.

32504013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50944 (or 50941 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 32504013 is about 5701.2290780147. The cubic root of 32504013 is about 319.1383492690.

Adding to 32504013 its reverse (31040523), we get a palindrome (63544536).

The spelling of 32504013 in words is "thirty-two million, five hundred four thousand, thirteen".