10621206 has 20 divisors (see below), whose sum is σ = 23799732. Its totient is φ = 3540348.

The previous prime is 10621187. The next prime is 10621211. The reversal of 10621206 is 60212601.

It is a happy number.

It is a super-2 number, since 2×10621206² = 225620033788872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32620 + ... + 32943.

Almost surely, 2^10621206 is an apocalyptic number.

10621206 is an abundant number, since it is smaller than the sum of its proper divisors (13178526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10621206 is an equidigital number, since it uses as much as digits as its factorization.

10621206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65577 (or 65568 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10621206 is about 3259.0191776054. The cubic root of 10621206 is about 219.8153133213.

Adding to 10621206 its reverse (60212601), we get a palindrome (70833807).

It can be divided in two parts, 106 and 21206, that added together give a palindrome (21312).

The spelling of 10621206 in words is "ten million, six hundred twenty-one thousand, two hundred six".