32130806 has 4 divisors (see below), whose sum is σ = 48196212. Its totient is φ = 16065402.

The previous prime is 32130781. The next prime is 32130817. The reversal of 32130806 is 60803123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60803123 = 41 ⋅1483003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8032700 + ... + 8032703.

It is an arithmetic number, because the mean of its divisors is an integer number (12049053).

Almost surely, 2^32130806 is an apocalyptic number.

32130806 is a deficient number, since it is larger than the sum of its proper divisors (16065406).

32130806 is a wasteful number, since it uses less digits than its factorization.

32130806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16065405.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 32130806 is about 5668.4041846008. The cubic root of 32130806 is about 317.9122089314.

Adding to 32130806 its reverse (60803123), we get a palindrome (92933929).

The spelling of 32130806 in words is "thirty-two million, one hundred thirty thousand, eight hundred six".