10213739 has 4 divisors (see below), whose sum is σ = 10489824. Its totient is φ = 9937656.

The previous prime is 10213733. The next prime is 10213741. The reversal of 10213739 is 93731201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93731201 = 1237 ⋅75773.

It is a cyclic number.

It is not a de Polignac number, because 10213739 - 2¹² = 10209643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10213733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137987 + ... + 138060.

It is an arithmetic number, because the mean of its divisors is an integer number (2622456).

Almost surely, 2^10213739 is an apocalyptic number.

10213739 is a deficient number, since it is larger than the sum of its proper divisors (276085).

10213739 is an equidigital number, since it uses as much as digits as its factorization.

10213739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276084.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 10213739 is about 3195.8940846029. The cubic root of 10213739 is about 216.9676167636.

The spelling of 10213739 in words is "ten million, two hundred thirteen thousand, seven hundred thirty-nine".