32630813 has 8 divisors (see below), whose sum is σ = 34107648. Its totient is φ = 31158864.

The previous prime is 32630789. The next prime is 32630821. The reversal of 32630813 is 31803623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32630813 - 2⁸ = 32630557 is a prime.

It is a super-3 number, since 3×32630813³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32630513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22220 + ... + 23642.

It is an arithmetic number, because the mean of its divisors is an integer number (4263456).

Almost surely, 2^32630813 is an apocalyptic number.

It is an amenable number.

32630813 is a deficient number, since it is larger than the sum of its proper divisors (1476835).

32630813 is a wasteful number, since it uses less digits than its factorization.

32630813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 32630813 is about 5712.3386629296. The cubic root of 32630813 is about 319.5528030721.

The spelling of 32630813 in words is "thirty-two million, six hundred thirty thousand, eight hundred thirteen".