10639975 has 12 divisors (see below), whose sum is σ = 13620160. Its totient is φ = 8236800.

The previous prime is 10639949. The next prime is 10639987. The reversal of 10639975 is 57993601.

10639975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10639975 - 2⁹ = 10639463 is a prime.

It is a super-2 number, since 2×10639975² = 226418136001250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6090 + ... + 7639.

Almost surely, 2^10639975 is an apocalyptic number.

10639975 is a deficient number, since it is larger than the sum of its proper divisors (2980185).

10639975 is a wasteful number, since it uses less digits than its factorization.

10639975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13770 (or 13765 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 10639975 is about 3261.8974539369. The cubic root of 10639975 is about 219.9447175145.

The spelling of 10639975 in words is "ten million, six hundred thirty-nine thousand, nine hundred seventy-five".