10138247 has 12 divisors (see below), whose sum is σ = 11904336. Its totient is φ = 8608320.

The previous prime is 10138241. The next prime is 10138253. The reversal of 10138247 is 74283101.

10138247 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10138241) and next prime (10138253).

It is not a de Polignac number, because 10138247 - 2⁴ = 10138231 is a prime.

It is a Duffinian number.

10138247 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10138241) 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, 4622 + ... + 6452.

It is an arithmetic number, because the mean of its divisors is an integer number (992028).

Almost surely, 2^10138247 is an apocalyptic number.

10138247 is a deficient number, since it is larger than the sum of its proper divisors (1766089).

10138247 is a wasteful number, since it uses less digits than its factorization.

10138247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1951 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 10138247 is about 3184.0614001617. The cubic root of 10138247 is about 216.4317424790.

The spelling of 10138247 in words is "ten million, one hundred thirty-eight thousand, two hundred forty-seven".