10191247 has 16 divisors (see below), whose sum is σ = 11612160. Its totient is φ = 8862400.

The previous prime is 10191241. The next prime is 10191253. The reversal of 10191247 is 74219101.

10191247 is digitally balanced in base 2, because in such base 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 (10191241) and next prime (10191253).

It is a cyclic number.

It is not a de Polignac number, because 10191247 - 2⁷ = 10191119 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 (10191241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26418 + ... + 26800.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^10191247 is an apocalyptic number.

10191247 is a deficient number, since it is larger than the sum of its proper divisors (1420913).

10191247 is a wasteful number, since it uses less digits than its factorization.

10191247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 10191247 is about 3192.3732551191. The cubic root of 10191247 is about 216.8082359471.

The spelling of 10191247 in words is "ten million, one hundred ninety-one thousand, two hundred forty-seven".