10278247 has 8 divisors (see below), whose sum is σ = 12020096. Its totient is φ = 8604792.

The previous prime is 10278227. The next prime is 10278253. The reversal of 10278247 is 74287201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10278247 - 2¹⁵ = 10245479 is a prime.

It is a super-2 number, since 2×10278247² = 211284722786018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10278227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16773 + ... + 17374.

It is an arithmetic number, because the mean of its divisors is an integer number (1502512).

Almost surely, 2^10278247 is an apocalyptic number.

10278247 is a deficient number, since it is larger than the sum of its proper divisors (1741849).

10278247 is an equidigital number, since it uses as much as digits as its factorization.

10278247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34197.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 10278247 is about 3205.9705238820. The cubic root of 10278247 is about 217.4234336564.

The spelling of 10278247 in words is "ten million, two hundred seventy-eight thousand, two hundred forty-seven".