10013720 has 16 divisors (see below), whose sum is σ = 22530960. Its totient is φ = 4005472.

The previous prime is 10013693. The next prime is 10013723. The reversal of 10013720 is 2731001.

It is a junction number, because it is equal to n+sod(n) for n = 10013695 and 10013704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10013723) 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, 125132 + ... + 125211.

It is an arithmetic number, because the mean of its divisors is an integer number (1408185).

Almost surely, 2^10013720 is an apocalyptic number.

10013720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10013720 is an abundant number, since it is smaller than the sum of its proper divisors (12517240).

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

10013720 is a wasteful number, since it uses less digits than its factorization.

10013720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250354 (or 250350 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 10013720 is about 3164.4462390756. The cubic root of 10013720 is about 215.5419534565.

Adding to 10013720 its reverse (2731001), we get a palindrome (12744721).

The spelling of 10013720 in words is "ten million, thirteen thousand, seven hundred twenty".