10491147 has 16 divisors (see below), whose sum is σ = 15602080. Its totient is φ = 6967296.

The previous prime is 10491139. The next prime is 10491149. The reversal of 10491147 is 74119401.

It is not a de Polignac number, because 10491147 - 2³ = 10491139 is a prime.

It is a super-2 number, since 2×10491147² = 220128330751218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10491147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10491149) 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, 8523 + ... + 9675.

It is an arithmetic number, because the mean of its divisors is an integer number (975130).

Almost surely, 2^10491147 is an apocalyptic number.

10491147 is a deficient number, since it is larger than the sum of its proper divisors (5110933).

10491147 is a wasteful number, since it uses less digits than its factorization.

10491147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 10491147 is about 3239.0040135820. The cubic root of 10491147 is about 218.9143970185.

The spelling of 10491147 in words is "ten million, four hundred ninety-one thousand, one hundred forty-seven".