10491012 has 48 divisors (see below), whose sum is σ = 31086720. Its totient is φ = 2997216.

The previous prime is 10491001. The next prime is 10491037. The reversal of 10491012 is 21019401.

It is a super-2 number, since 2×10491012² = 220122665568288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6183 + ... + 7694.

It is an arithmetic number, because the mean of its divisors is an integer number (647640).

Almost surely, 2^10491012 is an apocalyptic number.

10491012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10491012 is an abundant number, since it is smaller than the sum of its proper divisors (20595708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10491012 is a wasteful number, since it uses less digits than its factorization.

10491012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13897 (or 13889 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 10491012 is about 3238.9831737754. The cubic root of 10491012 is about 218.9134580182.

The spelling of 10491012 in words is "ten million, four hundred ninety-one thousand, twelve".