11939653 has 8 divisors (see below), whose sum is σ = 13246560. Its totient is φ = 10669680.

The previous prime is 11939621. The next prime is 11939659. The reversal of 11939653 is 35693911.

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 11939653 - 2⁵ = 11939621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11939659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8550 + ... + 9847.

It is an arithmetic number, because the mean of its divisors is an integer number (1655820).

Almost surely, 2^11939653 is an apocalyptic number.

It is an amenable number.

11939653 is a deficient number, since it is larger than the sum of its proper divisors (1306907).

11939653 is a wasteful number, since it uses less digits than its factorization.

11939653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18467.

The product of its digits is 21870, while the sum is 37.

The square root of 11939653 is about 3455.3802974492. The cubic root of 11939653 is about 228.5584252089.

The spelling of 11939653 in words is "eleven million, nine hundred thirty-nine thousand, six hundred fifty-three".