10620765 has 12 divisors (see below), whose sum is σ = 18409404. Its totient is φ = 5664384.

The previous prime is 10620751. The next prime is 10620769. The reversal of 10620765 is 56702601.

10620765 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1602756 + 9018009 = 1266^2 + 3003^2 .

It is not a de Polignac number, because 10620765 - 2¹⁹ = 10096477 is a prime.

It is a super-2 number, since 2×10620765² = 225601298370450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10620769) 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, 117964 + ... + 118053.

It is an arithmetic number, because the mean of its divisors is an integer number (1534117).

Almost surely, 2^10620765 is an apocalyptic number.

10620765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10620765 is a deficient number, since it is larger than the sum of its proper divisors (7788639).

10620765 is a wasteful number, since it uses less digits than its factorization.

10620765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236028 (or 236025 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 10620765 is about 3258.9515185102. The cubic root of 10620765 is about 219.8122709833.

The spelling of 10620765 in words is "ten million, six hundred twenty thousand, seven hundred sixty-five".