10312247 has 4 divisors (see below), whose sum is σ = 11249736. Its totient is φ = 9374760.

The previous prime is 10312241. The next prime is 10312249. The reversal of 10312247 is 74221301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10312247 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 (10312241) 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, 468728 + ... + 468749.

It is an arithmetic number, because the mean of its divisors is an integer number (2812434).

Almost surely, 2^10312247 is an apocalyptic number.

10312247 is a deficient number, since it is larger than the sum of its proper divisors (937489).

10312247 is an equidigital number, since it uses as much as digits as its factorization.

10312247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937488.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 10312247 is about 3211.2687523781. The cubic root of 10312247 is about 217.6629122513.

Adding to 10312247 its reverse (74221301), we get a palindrome (84533548).

The spelling of 10312247 in words is "ten million, three hundred twelve thousand, two hundred forty-seven".